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141222220 = 2257061111
BaseRepresentation
bin10000110101011…
…10000101001100
3100211201211110121
420122232011030
5242123102340
622002514324
73333240406
oct1032560514
9324654417
10141222220
1172797387
123b3659a4
1323347759
1414a81b76
15c5e894a
hex86ae14c

141222220 has 12 divisors (see below), whose sum is σ = 296566704. Its totient is φ = 56488880.

The previous prime is 141222197. The next prime is 141222227. The reversal of 141222220 is 22222141.

It is a junction number, because it is equal to n+sod(n) for n = 141222194 and 141222203.

It is not an unprimeable number, because it can be changed into a prime (141222227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3530536 + ... + 3530575.

It is an arithmetic number, because the mean of its divisors is an integer number (24713892).

Almost surely, 2141222220 is an apocalyptic number.

141222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141222220 is an abundant number, since it is smaller than the sum of its proper divisors (155344484).

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

141222220 is a wasteful number, since it uses less digits than its factorization.

141222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7061120 (or 7061118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 141222220 is about 11883.6955531518. The cubic root of 141222220 is about 520.7560746985.

Adding to 141222220 its reverse (22222141), we get a palindrome (163444361).

It can be divided in two parts, 1412 and 22220, that added together give a palindrome (23632).

The spelling of 141222220 in words is "one hundred forty-one million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 7061111 14122222 28244444 35305555 70611110 141222220