402552422 has 32 divisors (see below), whose sum is σ = 648172800. Its totient is φ = 187084800.

The previous prime is 402552421. The next prime is 402552433. The reversal of 402552422 is 224255204.

It is a junction number, because it is equal to n+sod(n) for n = 402552391 and 402552400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402552421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432854 + ... + 433782.

It is an arithmetic number, because the mean of its divisors is an integer number (20255400).

Almost surely, 2^402552422 is an apocalyptic number.

402552422 is a deficient number, since it is larger than the sum of its proper divisors (245620378).

402552422 is a wasteful number, since it uses less digits than its factorization.

402552422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 402552422 is about 20063.7090788319. The cubic root of 402552422 is about 738.3701785387.

The spelling of 402552422 in words is "four hundred two million, five hundred fifty-two thousand, four hundred twenty-two".