402232225 has 12 divisors (see below), whose sum is σ = 502579440. Its totient is φ = 319326800.

The previous prime is 402232219. The next prime is 402232247. The reversal of 402232225 is 522232204.

It is a happy number.

It is not a de Polignac number, because 402232225 - 2²⁷ = 268014497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402232196 and 402232205.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 58135 + ... + 64684.

It is an arithmetic number, because the mean of its divisors is an integer number (41881620).

Almost surely, 2^402232225 is an apocalyptic number.

It is an amenable number.

402232225 is a deficient number, since it is larger than the sum of its proper divisors (100347215).

402232225 is a wasteful number, since it uses less digits than its factorization.

402232225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122960 (or 122955 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 402232225 is about 20055.7279847928. The cubic root of 402232225 is about 738.1743559029.

Adding to 402232225 its reverse (522232204), we get a palindrome (924464429).

The spelling of 402232225 in words is "four hundred two million, two hundred thirty-two thousand, two hundred twenty-five".