622412656 has 10 divisors (see below), whose sum is σ = 1205924552. Its totient is φ = 311206320.

The previous prime is 622412641. The next prime is 622412657. The reversal of 622412656 is 656214226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622412657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19450380 + ... + 19450411.

Almost surely, 2^622412656 is an apocalyptic number.

It is an amenable number.

622412656 is a deficient number, since it is larger than the sum of its proper divisors (583511896).

622412656 is a wasteful number, since it uses less digits than its factorization.

622412656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38900799 (or 38900793 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 622412656 is about 24948.1994540688. The cubic root of 622412656 is about 853.8065292727.

The spelling of 622412656 in words is "six hundred twenty-two million, four hundred twelve thousand, six hundred fifty-six".