402966226 has 16 divisors (see below), whose sum is σ = 651400344. Its totient is φ = 185854464.

The previous prime is 402966211. The next prime is 402966229. The reversal of 402966226 is 622669204.

It can be written as a sum of positive squares in 4 ways, for example, as 395970201 + 6996025 = 19899^2 + 2645^2 .

It is not an unprimeable number, because it can be changed into a prime (402966229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39556 + ... + 48688.

Almost surely, 2^402966226 is an apocalyptic number.

402966226 is a deficient number, since it is larger than the sum of its proper divisors (248434118).

402966226 is a wasteful number, since it uses less digits than its factorization.

402966226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 402966226 is about 20074.0186808720. The cubic root of 402966226 is about 738.6230945838.

The spelling of 402966226 in words is "four hundred two million, nine hundred sixty-six thousand, two hundred twenty-six".