621422214132 has 48 divisors (see below), whose sum is σ = 1477431313344. Its totient is φ = 203236800000.

The previous prime is 621422214107. The next prime is 621422214173. The reversal of 621422214132 is 231412224126.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 621422214132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764994 + ... + 1352057.

It is an arithmetic number, because the mean of its divisors is an integer number (30779819028).

Almost surely, 2^621422214132 is an apocalyptic number.

It is an amenable number.

621422214132 is an abundant number, since it is smaller than the sum of its proper divisors (856009099212).

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

621422214132 is a wasteful number, since it uses less digits than its factorization.

621422214132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117520 (or 2117518 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 621422214132 its reverse (231412224126), we get a palindrome (852834438258).

The spelling of 621422214132 in words is "six hundred twenty-one billion, four hundred twenty-two million, two hundred fourteen thousand, one hundred thirty-two".