622748931720 has 64 divisors (see below), whose sum is σ = 1868299439040. Its totient is φ = 166061702400.

The previous prime is 622748931719. The next prime is 622748931797. The reversal of 622748931720 is 27139847226.

622748931720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7230510 + ... + 7316130.

It is an arithmetic number, because the mean of its divisors is an integer number (29192178735).

Almost surely, 2^622748931720 is an apocalyptic number.

622748931720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622748931720 is an abundant number, since it is smaller than the sum of its proper divisors (1245550507320).

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

622748931720 is a wasteful number, since it uses less digits than its factorization.

622748931720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146246 (or 146242 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 622748931720 in words is "six hundred twenty-two billion, seven hundred forty-eight million, nine hundred thirty-one thousand, seven hundred twenty".