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122112242 = 278722303
BaseRepresentation
bin1110100011101…
…00100011110010
322111202221111122
413101310203302
5222230042432
620041142242
73011636240
oct721644362
9274687448
10122112242
1162a2480a
1234a8a982
131c3b6485
1412309790
15aac1612
hex74748f2

122112242 has 8 divisors (see below), whose sum is σ = 209335296. Its totient is φ = 52333812.

The previous prime is 122112239. The next prime is 122112293. The reversal of 122112242 is 242211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1221122422 = 29822799292533128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122112242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4361138 + ... + 4361165.

It is an arithmetic number, because the mean of its divisors is an integer number (26166912).

Almost surely, 2122112242 is an apocalyptic number.

122112242 is a deficient number, since it is larger than the sum of its proper divisors (87223054).

122112242 is an equidigital number, since it uses as much as digits as its factorization.

122112242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722312.

The product of its digits is 128, while the sum is 17.

The square root of 122112242 is about 11050.4408056873. The cubic root of 122112242 is about 496.1196191940.

Adding to 122112242 its reverse (242211221), we get a palindrome (364323463).

The spelling of 122112242 in words is "one hundred twenty-two million, one hundred twelve thousand, two hundred forty-two".

Divisors: 1 2 7 14 8722303 17444606 61056121 122112242