404225524 has 24 divisors (see below), whose sum is σ = 752951808. Its totient is φ = 189221760.

The previous prime is 404225501. The next prime is 404225537. The reversal of 404225524 is 425522404.

It is a junction number, because it is equal to n+sod(n) for n = 404225492 and 404225501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2574 + ... + 28549.

It is an arithmetic number, because the mean of its divisors is an integer number (31372992).

Almost surely, 2^404225524 is an apocalyptic number.

It is an amenable number.

404225524 is a deficient number, since it is larger than the sum of its proper divisors (348726284).

404225524 is a wasteful number, since it uses less digits than its factorization.

404225524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31335 (or 31333 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 404225524 is about 20105.3605787113. The cubic root of 404225524 is about 739.3917109755.

Adding to 404225524 its reverse (425522404), we get a palindrome (829747928).

The spelling of 404225524 in words is "four hundred four million, two hundred twenty-five thousand, five hundred twenty-four".