90565622 has 12 divisors (see below), whose sum is σ = 158027940. Its totient is φ = 38813796.

The previous prime is 90565621. The next prime is 90565639. The reversal of 90565622 is 22656509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90565621) 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, 461972 + ... + 462167.

It is an arithmetic number, because the mean of its divisors is an integer number (13168995).

Almost surely, 2^90565622 is an apocalyptic number.

90565622 is a deficient number, since it is larger than the sum of its proper divisors (67462318).

90565622 is a wasteful number, since it uses less digits than its factorization.

90565622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924155 (or 924148 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 90565622 is about 9516.5971859694. The cubic root of 90565622 is about 449.0773226094.

The spelling of 90565622 in words is "ninety million, five hundred sixty-five thousand, six hundred twenty-two".