90892230 has 64 divisors (see below), whose sum is σ = 256290048. Its totient is φ = 20338560.

The previous prime is 90892213. The next prime is 90892237. The reversal of 90892230 is 3229809.

It is a super-2 number, since 2×90892230² = 16522794948745800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90892191 and 90892200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90892237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6304 + ... + 14883.

It is an arithmetic number, because the mean of its divisors is an integer number (4004532).

Almost surely, 2^90892230 is an apocalyptic number.

90892230 is an abundant number, since it is smaller than the sum of its proper divisors (165397818).

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

90892230 is a wasteful number, since it uses less digits than its factorization.

90892230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21221.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 90892230 is about 9533.7416579221. The cubic root of 90892230 is about 449.6165127936.

The spelling of 90892230 in words is "ninety million, eight hundred ninety-two thousand, two hundred thirty".