631422224136 has 48 divisors (see below), whose sum is σ = 1865565664560. Its totient is φ = 191340067680.

The previous prime is 631422224101. The next prime is 631422224143.

631422224136 is a `hidden beast` number, since 6 + 3 + 1 + 422 + 224 + 1 + 3 + 6 = 666.

631422224136 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 631422224136.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398624350 + ... + 398625933.

It is an arithmetic number, because the mean of its divisors is an integer number (38865951345).

Almost surely, 2^631422224136 is an apocalyptic number.

631422224136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

631422224136 is an abundant number, since it is smaller than the sum of its proper divisors (1234143440424).

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

631422224136 is a wasteful number, since it uses less digits than its factorization.

631422224136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797250306 (or 797250299 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

It can be divided in two parts, 631422 and 224136, that added together give a palindrome (855558).

The spelling of 631422224136 in words is "six hundred thirty-one billion, four hundred twenty-two million, two hundred twenty-four thousand, one hundred thirty-six".