622525920 has 48 divisors (see below), whose sum is σ = 1960958160. Its totient is φ = 166006784.

The previous prime is 622525909. The next prime is 622525949. The reversal of 622525920 is 29525226.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647985 + ... + 648944.

It is an arithmetic number, because the mean of its divisors is an integer number (40853295).

Almost surely, 2^622525920 is an apocalyptic number.

622525920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622525920 is an abundant number, since it is smaller than the sum of its proper divisors (1338432240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622525920 is a wasteful number, since it uses less digits than its factorization.

622525920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296947 (or 1296939 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 622525920 is about 24950.4693342630. The cubic root of 622525920 is about 853.8583168215.

The spelling of 622525920 in words is "six hundred twenty-two million, five hundred twenty-five thousand, nine hundred twenty".