90255302 has 16 divisors (see below), whose sum is σ = 137622240. Its totient is φ = 44384832.

The previous prime is 90255293. The next prime is 90255307. The reversal of 90255302 is 20355209.

It is a super-2 number, since 2×90255302² = 16292039078222408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90255307) 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, 72824 + ... + 74052.

It is an arithmetic number, because the mean of its divisors is an integer number (8601390).

Almost surely, 2^90255302 is an apocalyptic number.

90255302 is a deficient number, since it is larger than the sum of its proper divisors (47366938).

90255302 is a wasteful number, since it uses less digits than its factorization.

90255302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 90255302 is about 9500.2790485333. The cubic root of 90255302 is about 448.5638196434.

The spelling of 90255302 in words is "ninety million, two hundred fifty-five thousand, three hundred two".