90227256 has 32 divisors (see below), whose sum is σ = 257792640. Its totient is φ = 25779168.

The previous prime is 90227251. The next prime is 90227273. The reversal of 90227256 is 65272209.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90227251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268366 + ... + 268701.

It is an arithmetic number, because the mean of its divisors is an integer number (8056020).

Almost surely, 2^90227256 is an apocalyptic number.

It is an amenable number.

90227256 is an abundant number, since it is smaller than the sum of its proper divisors (167565384).

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

90227256 is a wasteful number, since it uses less digits than its factorization.

90227256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537083 (or 537079 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 90227256 is about 9498.8028719413. The cubic root of 90227256 is about 448.5173524778.

The spelling of 90227256 in words is "ninety million, two hundred twenty-seven thousand, two hundred fifty-six".