2272520631 has 24 divisors (see below), whose sum is σ = 3272332800. Its totient is φ = 1401868944.

The previous prime is 2272520623. The next prime is 2272520639. The reversal of 2272520631 is 1360252722.

It is an interprime number because it is at equal distance from previous prime (2272520623) and next prime (2272520639).

It is not a de Polignac number, because 2272520631 - 2³ = 2272520623 is a prime.

It is a super-4 number, since 4×2272520631⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272520639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22170 + ... + 70968.

It is an arithmetic number, because the mean of its divisors is an integer number (136347200).

Almost surely, 2^2272520631 is an apocalyptic number.

2272520631 is a deficient number, since it is larger than the sum of its proper divisors (999812169).

2272520631 is a wasteful number, since it uses less digits than its factorization.

2272520631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48883 (or 48864 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2272520631 is about 47670.9621362942. The cubic root of 2272520631 is about 1314.7280986887.

The spelling of 2272520631 in words is "two billion, two hundred seventy-two million, five hundred twenty thousand, six hundred thirty-one".