90225236 has 12 divisors (see below), whose sum is σ = 158591328. Its totient is φ = 44913432.

The previous prime is 90225199. The next prime is 90225241. The reversal of 90225236 is 63252209.

It is a super-2 number, since 2×90225236² = 16281186422511392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90225199 and 90225208.

It is a congruent number.

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, 48776 + ... + 50591.

It is an arithmetic number, because the mean of its divisors is an integer number (13215944).

Almost surely, 2^90225236 is an apocalyptic number.

It is an amenable number.

90225236 is a deficient number, since it is larger than the sum of its proper divisors (68366092).

90225236 is a wasteful number, since it uses less digits than its factorization.

90225236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99598 (or 99596 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 90225236 is about 9498.6965421578. The cubic root of 90225236 is about 448.5140053303.

The spelling of 90225236 in words is "ninety million, two hundred twenty-five thousand, two hundred thirty-six".