22531111049 has 4 divisors (see below), whose sum is σ = 22533210180. Its totient is φ = 22529011920.

The previous prime is 22531111003. The next prime is 22531111063. The reversal of 22531111049 is 94011113522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11539056400 + 10992054649 = 107420^2 + 104843^2 .

It is a cyclic number.

It is not a de Polignac number, because 22531111049 - 2²⁸ = 22262675593 is a prime.

It is a super-3 number, since 3×22531111049³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22531111249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033382 + ... + 1054959.

It is an arithmetic number, because the mean of its divisors is an integer number (5633302545).

Almost surely, 2^22531111049 is an apocalyptic number.

It is an amenable number.

22531111049 is a deficient number, since it is larger than the sum of its proper divisors (2099131).

22531111049 is a wasteful number, since it uses less digits than its factorization.

22531111049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099130.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 22531111049 in words is "twenty-two billion, five hundred thirty-one million, one hundred eleven thousand, forty-nine".