215466402 has 16 divisors (see below), whose sum is σ = 434034720. Its totient is φ = 71305152.

The previous prime is 215466401. The next prime is 215466413. The reversal of 215466402 is 204664512.

215466402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 215466402.

It is not an unprimeable number, because it can be changed into a prime (215466401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128343 + ... + 130010.

It is an arithmetic number, because the mean of its divisors is an integer number (27127170).

Almost surely, 2^215466402 is an apocalyptic number.

215466402 is an abundant number, since it is smaller than the sum of its proper divisors (218568318).

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

215466402 is a wasteful number, since it uses less digits than its factorization.

215466402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258497.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 215466402 is about 14678.7738588753. The cubic root of 215466402 is about 599.5055203729.

The spelling of 215466402 in words is "two hundred fifteen million, four hundred sixty-six thousand, four hundred two".