422400004 has 12 divisors (see below), whose sum is σ = 796061644. Its totient is φ = 194953824.

The previous prime is 422399981. The next prime is 422400047. The reversal of 422400004 is 400004224.

It can be written as a sum of positive squares in 2 ways, for example, as 103063104 + 319336900 = 10152^2 + 17870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4061487 + ... + 4061590.

Almost surely, 2^422400004 is an apocalyptic number.

It is an amenable number.

422400004 is a deficient number, since it is larger than the sum of its proper divisors (373661640).

422400004 is a wasteful number, since it uses less digits than its factorization.

422400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123094 (or 8123092 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 422400004 is about 20552.3722231766. The cubic root of 422400004 is about 750.3109845152.

Adding to 422400004 its reverse (400004224), we get a palindrome (822404228).

The spelling of 422400004 in words is "four hundred twenty-two million, four hundred thousand, four".