90200022 has 16 divisors (see below), whose sum is σ = 196800192. Its totient is φ = 27333320.

The previous prime is 90200017. The next prime is 90200053. The reversal of 90200022 is 22000209.

It is a junction number, because it is equal to n+sod(n) for n = 90199974 and 90200010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683268 + ... + 683399.

It is an arithmetic number, because the mean of its divisors is an integer number (12300012).

Almost surely, 2^90200022 is an apocalyptic number.

90200022 is an abundant number, since it is smaller than the sum of its proper divisors (106600170).

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

90200022 is a wasteful number, since it uses less digits than its factorization.

90200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366683.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 90200022 is about 9497.3692146826. The cubic root of 90200022 is about 448.4722214339.

The spelling of 90200022 in words is "ninety million, two hundred thousand, twenty-two".