422402402 has 16 divisors (see below), whose sum is σ = 645890112. Its totient is φ = 207145200.

The previous prime is 422402353. The next prime is 422402441. The reversal of 422402402 is 204204224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11843 + ... + 31385.

It is an arithmetic number, because the mean of its divisors is an integer number (40368132).

Almost surely, 2^422402402 is an apocalyptic number.

422402402 is a deficient number, since it is larger than the sum of its proper divisors (223487710).

422402402 is a wasteful number, since it uses less digits than its factorization.

422402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 422402402 is about 20552.4305618581. The cubic root of 422402402 is about 750.3124043718.

Adding to 422402402 its reverse (204204224), we get a palindrome (626606626).

The spelling of 422402402 in words is "four hundred twenty-two million, four hundred two thousand, four hundred two".