90922425 has 72 divisors (see below), whose sum is σ = 169801632. Its totient is φ = 42873600.

The previous prime is 90922423. The next prime is 90922441. The reversal of 90922425 is 52422909.

It is not a de Polignac number, because 90922425 - 2¹ = 90922423 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90922421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 390109 + ... + 390341.

It is an arithmetic number, because the mean of its divisors is an integer number (2358356).

Almost surely, 2^90922425 is an apocalyptic number.

It is an amenable number.

90922425 is a deficient number, since it is larger than the sum of its proper divisors (78879207).

90922425 is a wasteful number, since it uses less digits than its factorization.

90922425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 90922425 is about 9535.3251124437. The cubic root of 90922425 is about 449.6662958077. Note that the first 3 decimals are identical.

The spelling of 90922425 in words is "ninety million, nine hundred twenty-two thousand, four hundred twenty-five".