90225532 has 6 divisors (see below), whose sum is σ = 157894688. Its totient is φ = 45112764.

The previous prime is 90225529. The next prime is 90225563. The reversal of 90225532 is 23552209.

It is a self number, because there is not a number n which added to its sum of digits gives 90225532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278188 + ... + 11278195.

Almost surely, 2^90225532 is an apocalyptic number.

It is an amenable number.

90225532 is a deficient number, since it is larger than the sum of its proper divisors (67669156).

90225532 is a wasteful number, since it uses less digits than its factorization.

90225532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556387 (or 22556385 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 90225532 is about 9498.7121232302. The cubic root of 90225532 is about 448.5144958065.

The spelling of 90225532 in words is "ninety million, two hundred twenty-five thousand, five hundred thirty-two".