90070227 has 24 divisors (see below), whose sum is σ = 140540400. Its totient is φ = 55257408.

The previous prime is 90070219. The next prime is 90070237. The reversal of 90070227 is 72207009.

It is not a de Polignac number, because 90070227 - 2³ = 90070219 is a prime.

It is a super-2 number, since 2×90070227² = 16225291583663058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90070227.

It is not an unprimeable number, because it can be changed into a prime (90070217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44524 + ... + 46502.

It is an arithmetic number, because the mean of its divisors is an integer number (5855850).

Almost surely, 2^90070227 is an apocalyptic number.

90070227 is a deficient number, since it is larger than the sum of its proper divisors (50470173).

90070227 is a wasteful number, since it uses less digits than its factorization.

90070227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 90070227 is about 9490.5335466453. The cubic root of 90070227 is about 448.2570056887.

The spelling of 90070227 in words is "ninety million, seventy thousand, two hundred twenty-seven".