2272915836 has 24 divisors (see below), whose sum is σ = 5892745040. Its totient is φ = 757638576.

The previous prime is 2272915819. The next prime is 2272915837. The reversal of 2272915836 is 6385192722.

It is a super-2 number, since 2×2272915836² = 10332292795079157792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2272915791 and 2272915800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272915837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10522651 + ... + 10522866.

Almost surely, 2^2272915836 is an apocalyptic number.

It is an amenable number.

2272915836 is an abundant number, since it is smaller than the sum of its proper divisors (3619829204).

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

2272915836 is a wasteful number, since it uses less digits than its factorization.

2272915836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21045530 (or 21045522 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 2272915836 is about 47675.1070895494. The cubic root of 2272915836 is about 1314.8043073113.

The spelling of 2272915836 in words is "two billion, two hundred seventy-two million, nine hundred fifteen thousand, eight hundred thirty-six".