2664422631 has 48 divisors (see below), whose sum is σ = 4490662176. Its totient is φ = 1507258368.

The previous prime is 2664422623. The next prime is 2664422639. The reversal of 2664422631 is 1362244662.

2664422631 is a `hidden beast` number, since 2 + 6 + 644 + 2 + 2 + 6 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2664422623) and next prime (2664422639).

It is not a de Polignac number, because 2664422631 - 2³ = 2664422623 is a prime.

It is a super-2 number, since 2×2664422631² = 14198295913169924322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664422639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69951 + ... + 101103.

It is an arithmetic number, because the mean of its divisors is an integer number (93555462).

Almost surely, 2^2664422631 is an apocalyptic number.

2664422631 is a deficient number, since it is larger than the sum of its proper divisors (1826239545).

2664422631 is a wasteful number, since it uses less digits than its factorization.

2664422631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31232 (or 31229 counting only the distinct ones).

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

The square root of 2664422631 is about 51618.0455945399. The cubic root of 2664422631 is about 1386.3334576817. Note that the first 3 decimals are identical.

The spelling of 2664422631 in words is "two billion, six hundred sixty-four million, four hundred twenty-two thousand, six hundred thirty-one".