622121641320 has 64 divisors (see below), whose sum is σ = 1964594664000. Its totient is φ = 157167571968.

The previous prime is 622121641319. The next prime is 622121641367. The reversal of 622121641320 is 23146121226.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136427905 + ... + 136432464.

It is an arithmetic number, because the mean of its divisors is an integer number (30696791625).

Almost surely, 2^622121641320 is an apocalyptic number.

622121641320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622121641320 is an abundant number, since it is smaller than the sum of its proper divisors (1342473022680).

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

622121641320 is a wasteful number, since it uses less digits than its factorization.

622121641320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272860402 (or 272860398 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 622121641320 its reverse (23146121226), we get a palindrome (645267762546).

The spelling of 622121641320 in words is "six hundred twenty-two billion, one hundred twenty-one million, six hundred forty-one thousand, three hundred twenty".