422220004 has 12 divisors (see below), whose sum is σ = 747787824. Its totient is φ = 208566344.

The previous prime is 422219977. The next prime is 422220013. The reversal of 422220004 is 400022224.

It is a self number, because there is not a number n which added to its sum of digits gives 422220004.

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, 635542 + ... + 636205.

It is an arithmetic number, because the mean of its divisors is an integer number (62315652).

Almost surely, 2^422220004 is an apocalyptic number.

It is an amenable number.

422220004 is a deficient number, since it is larger than the sum of its proper divisors (325567820).

422220004 is a wasteful number, since it uses less digits than its factorization.

422220004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271834 (or 1271832 counting only the distinct ones).

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

The square root of 422220004 is about 20547.9927000182. The cubic root of 422220004 is about 750.2043911088.

Adding to 422220004 its reverse (400022224), we get a palindrome (822242228).

The spelling of 422220004 in words is "four hundred twenty-two million, two hundred twenty thousand, four".