622552620 has 48 divisors (see below), whose sum is σ = 1753613568. Its totient is φ = 165017280.

The previous prime is 622552607. The next prime is 622552649. The reversal of 622552620 is 26255226.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21046 + ... + 41085.

It is an arithmetic number, because the mean of its divisors is an integer number (36533616).

Almost surely, 2^622552620 is an apocalyptic number.

622552620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622552620 is an abundant number, since it is smaller than the sum of its proper divisors (1131060948).

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

622552620 is a wasteful number, since it uses less digits than its factorization.

622552620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62310 (or 62308 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 622552620 is about 24951.0043886013. The cubic root of 622552620 is about 853.8705239122.

The spelling of 622552620 in words is "six hundred twenty-two million, five hundred fifty-two thousand, six hundred twenty".