422404402 has 24 divisors (see below), whose sum is σ = 739432044. Its totient is φ = 180446112.

The previous prime is 422404399. The next prime is 422404417. The reversal of 422404402 is 204404224.

It can be written as a sum of positive squares in 2 ways, for example, as 320374201 + 102030201 = 17899^2 + 10101^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24268 + ... + 37864.

Almost surely, 2^422404402 is an apocalyptic number.

422404402 is a deficient number, since it is larger than the sum of its proper divisors (317027642).

422404402 is a wasteful number, since it uses less digits than its factorization.

422404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13930 (or 13923 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 422404402 is about 20552.4792178462. The cubic root of 422404402 is about 750.3135885684.

Adding to 422404402 its reverse (204404224), we get a palindrome (626808626).

The spelling of 422404402 in words is "four hundred twenty-two million, four hundred four thousand, four hundred two".