90225426 has 32 divisors (see below), whose sum is σ = 193501440. Its totient is φ = 27945216.

The previous prime is 90225419. The next prime is 90225431. The reversal of 90225426 is 62452209.

90225426 = 369² + 370² + ... + 684².

It is a junction number, because it is equal to n+sod(n) for n = 90225393 and 90225402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (6046920).

Almost surely, 2^90225426 is an apocalyptic number.

90225426 is an abundant number, since it is smaller than the sum of its proper divisors (103276014).

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

90225426 is a wasteful number, since it uses less digits than its factorization.

90225426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11298.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 90225426 is about 9498.7065435248. The cubic root of 90225426 is about 448.5143201631.

The spelling of 90225426 in words is "ninety million, two hundred twenty-five thousand, four hundred twenty-six".