622440553564 has 12 divisors (see below), whose sum is σ = 1109823251544. Its totient is φ = 305348195984.

The previous prime is 622440553547. The next prime is 622440553577. The reversal of 622440553564 is 465355044226.

It is a congruent number.

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, 1468019962 + ... + 1468020385.

It is an arithmetic number, because the mean of its divisors is an integer number (92485270962).

Almost surely, 2^622440553564 is an apocalyptic number.

It is an amenable number.

622440553564 is a deficient number, since it is larger than the sum of its proper divisors (487382697980).

622440553564 is a wasteful number, since it uses less digits than its factorization.

622440553564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936040404 (or 2936040402 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 46.

The spelling of 622440553564 in words is "six hundred twenty-two billion, four hundred forty million, five hundred fifty-three thousand, five hundred sixty-four".