622889528 has 8 divisors (see below), whose sum is σ = 1167917880. Its totient is φ = 311444760.

The previous prime is 622889471. The next prime is 622889573. The reversal of 622889528 is 825988226.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38930588 + ... + 38930603.

It is an arithmetic number, because the mean of its divisors is an integer number (145989735).

Almost surely, 2^622889528 is an apocalyptic number.

It is an amenable number.

622889528 is a deficient number, since it is larger than the sum of its proper divisors (545028352).

622889528 is a wasteful number, since it uses less digits than its factorization.

622889528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77861197 (or 77861193 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 622889528 is about 24957.7548669747. The cubic root of 622889528 is about 854.0245263867.

The spelling of 622889528 in words is "six hundred twenty-two million, eight hundred eighty-nine thousand, five hundred twenty-eight".