631869122 has 8 divisors (see below), whose sum is σ = 970920972. Its totient is φ = 308228800.

The previous prime is 631869113. The next prime is 631869137. The reversal of 631869122 is 221968136.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 473889361 + 157979761 = 21769^2 + 12569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3852779 + ... + 3852942.

Almost surely, 2^631869122 is an apocalyptic number.

631869122 is a deficient number, since it is larger than the sum of its proper divisors (339051850).

631869122 is a wasteful number, since it uses less digits than its factorization.

631869122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705764.

The product of its digits is 31104, while the sum is 38.

The square root of 631869122 is about 25137.0070215211. The cubic root of 631869122 is about 858.1088432763.

The spelling of 631869122 in words is "six hundred thirty-one million, eight hundred sixty-nine thousand, one hundred twenty-two".