402206562 has 12 divisors (see below), whose sum is σ = 871447590. Its totient is φ = 134068848.

The previous prime is 402206521. The next prime is 402206579. The reversal of 402206562 is 265602204.

402206562 is a `hidden beast` number, since 4 + 0 + 2 + 2 + 0 + 656 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 337420161 + 64786401 = 18369^2 + 8049^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11172387 + ... + 11172422.

Almost surely, 2^402206562 is an apocalyptic number.

402206562 is an abundant number, since it is smaller than the sum of its proper divisors (469241028).

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

402206562 is a wasteful number, since it uses less digits than its factorization.

402206562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22344817 (or 22344814 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 402206562 is about 20055.0881823043. The cubic root of 402206562 is about 738.1586567038.

Adding to 402206562 its reverse (265602204), we get a palindrome (667808766).

The spelling of 402206562 in words is "four hundred two million, two hundred six thousand, five hundred sixty-two".