90454225 has 12 divisors (see below), whose sum is σ = 112497264. Its totient is φ = 72147920.

The previous prime is 90454211. The next prime is 90454237. The reversal of 90454225 is 52245409.

It is not a de Polignac number, because 90454225 - 2⁷ = 90454097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3462 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (9374772).

Almost surely, 2^90454225 is an apocalyptic number.

It is an amenable number.

90454225 is a deficient number, since it is larger than the sum of its proper divisors (22043039).

90454225 is a wasteful number, since it uses less digits than its factorization.

90454225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10784 (or 10779 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 90454225 is about 9510.7426103328. The cubic root of 90454225 is about 448.8931232400.

The spelling of 90454225 in words is "ninety million, four hundred fifty-four thousand, two hundred twenty-five".