622448984 has 16 divisors (see below), whose sum is σ = 1167462720. Its totient is φ = 311125600.

The previous prime is 622448963. The next prime is 622449007. The reversal of 622448984 is 489844226.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 19097 + ... + 40119.

It is an arithmetic number, because the mean of its divisors is an integer number (72966420).

Almost surely, 2^622448984 is an apocalyptic number.

It is an amenable number.

622448984 is a deficient number, since it is larger than the sum of its proper divisors (545013736).

622448984 is a wasteful number, since it uses less digits than its factorization.

622448984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24730 (or 24726 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 622448984 is about 24948.9275120194. The cubic root of 622448984 is about 853.8231401604.

The spelling of 622448984 in words is "six hundred twenty-two million, four hundred forty-eight thousand, nine hundred eighty-four".