90565122 has 32 divisors (see below), whose sum is σ = 194124672. Its totient is φ = 28093824.

The previous prime is 90565109. The next prime is 90565127. The reversal of 90565122 is 22156509.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90565122.

It is not an unprimeable number, because it can be changed into a prime (90565127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3763 + ... + 13974.

It is an arithmetic number, because the mean of its divisors is an integer number (6066396).

Almost surely, 2^90565122 is an apocalyptic number.

90565122 is an abundant number, since it is smaller than the sum of its proper divisors (103559550).

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

90565122 is a wasteful number, since it uses less digits than its factorization.

90565122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17802.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 90565122 is about 9516.5709160390. The cubic root of 90565122 is about 449.0764961770.

The spelling of 90565122 in words is "ninety million, five hundred sixty-five thousand, one hundred twenty-two".