15955122 has 8 divisors (see below), whose sum is σ = 31910256. Its totient is φ = 5318372.

The previous prime is 15955087. The next prime is 15955127. The reversal of 15955122 is 22155951.

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

15955122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 15955122.

It is not an unprimeable number, because it can be changed into a prime (15955127) 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, 1329588 + ... + 1329599.

It is an arithmetic number, because the mean of its divisors is an integer number (3988782).

Almost surely, 2^15955122 is an apocalyptic number.

15955122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15955122 is a wasteful number, since it uses less digits than its factorization.

15955122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659192.

The product of its digits is 4500, while the sum is 30.

The square root of 15955122 is about 3994.3863108117. The cubic root of 15955122 is about 251.7483946268.

The spelling of 15955122 in words is "fifteen million, nine hundred fifty-five thousand, one hundred twenty-two".