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122133222 = 2326785179
BaseRepresentation
bin1110100011110…
…01101011100110
322111211000021200
413101321223212
5222231230342
620041423330
73012054351
oct721715346
9274730250
10122133222
1162a39552
1234a9ab46
131c3c2ba3
1412313298
15aac794c
hex7479ae6

122133222 has 12 divisors (see below), whose sum is σ = 264622020. Its totient is φ = 40711068.

The previous prime is 122133217. The next prime is 122133223. The reversal of 122133222 is 222331221.

It is a super-2 number, since 2×1221332222 = 29833047832202568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6785179 = 122133222 / (1 + 2 + 2 + 1 + 3 + 3 + 2 + 2 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 122133195 and 122133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122133223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3392572 + ... + 3392607.

It is an arithmetic number, because the mean of its divisors is an integer number (22051835).

Almost surely, 2122133222 is an apocalyptic number.

122133222 is an abundant number, since it is smaller than the sum of its proper divisors (142488798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122133222 is a wasteful number, since it uses less digits than its factorization.

122133222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785187 (or 6785184 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 122133222 is about 11051.3900483152. The cubic root of 122133222 is about 496.1480301963.

Adding to 122133222 its reverse (222331221), we get a palindrome (344464443).

It can be divided in two parts, 1221 and 33222, that added together give a palindrome (34443).

The spelling of 122133222 in words is "one hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 6785179 13570358 20355537 40711074 61066611 122133222