2722997631 has 16 divisors (see below), whose sum is σ = 3690165600. Its totient is φ = 1785788928.

The previous prime is 2722997621. The next prime is 2722997639. The reversal of 2722997631 is 1367992272.

It is not a de Polignac number, because 2722997631 - 2⁷ = 2722997503 is a prime.

It is a super-2 number, since 2×2722997631² = 14829432196863224322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722997639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26715 + ... + 78483.

It is an arithmetic number, because the mean of its divisors is an integer number (230635350).

Almost surely, 2^2722997631 is an apocalyptic number.

2722997631 is a deficient number, since it is larger than the sum of its proper divisors (967167969).

2722997631 is a wasteful number, since it uses less digits than its factorization.

2722997631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52058.

The product of its digits is 571536, while the sum is 48.

The square root of 2722997631 is about 52182.3498033578. The cubic root of 2722997631 is about 1396.4190167463.

The spelling of 2722997631 in words is "two billion, seven hundred twenty-two million, nine hundred ninety-seven thousand, six hundred thirty-one".