213422402 has 8 divisors (see below), whose sum is σ = 336982800. Its totient is φ = 101094804.

The previous prime is 213422399. The next prime is 213422413. The reversal of 213422402 is 204224312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2808152 + ... + 2808227.

It is an arithmetic number, because the mean of its divisors is an integer number (42122850).

Almost surely, 2^213422402 is an apocalyptic number.

213422402 is a deficient number, since it is larger than the sum of its proper divisors (123560398).

213422402 is a wasteful number, since it uses less digits than its factorization.

213422402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616400.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 213422402 is about 14608.9836059871. The cubic root of 213422402 is about 597.6037781260.

Adding to 213422402 its reverse (204224312), we get a palindrome (417646714).

The spelling of 213422402 in words is "two hundred thirteen million, four hundred twenty-two thousand, four hundred two".