622523940 has 48 divisors (see below), whose sum is σ = 1751948352. Its totient is φ = 165160576.

The previous prime is 622523933. The next prime is 622523959. The reversal of 622523940 is 49325226.

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, 14514 + ... + 38153.

It is an arithmetic number, because the mean of its divisors is an integer number (36498924).

Almost surely, 2^622523940 is an apocalyptic number.

622523940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622523940 is an abundant number, since it is smaller than the sum of its proper divisors (1129424412).

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

622523940 is a wasteful number, since it uses less digits than its factorization.

622523940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52876 (or 52874 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 622523940 is about 24950.4296556192. The cubic root of 622523940 is about 853.8574115627.

The spelling of 622523940 in words is "six hundred twenty-two million, five hundred twenty-three thousand, nine hundred forty".