22744426961 has 4 divisors (see below), whose sum is σ = 23299169124. Its totient is φ = 22189684800.

The previous prime is 22744426949. The next prime is 22744426963. The reversal of 22744426961 is 16962444722.

It is a happy number.

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 6700404736 + 16044022225 = 81856^2 + 126665^2 .

It is a cyclic number.

It is not a de Polignac number, because 22744426961 - 2³⁰ = 21670685137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22744426963) 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, 277371020 + ... + 277371101.

It is an arithmetic number, because the mean of its divisors is an integer number (5824792281).

Almost surely, 2^22744426961 is an apocalyptic number.

It is an amenable number.

22744426961 is a deficient number, since it is larger than the sum of its proper divisors (554742163).

22744426961 is an equidigital number, since it uses as much as digits as its factorization.

22744426961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554742162.

The product of its digits is 1161216, while the sum is 47.

The spelling of 22744426961 in words is "twenty-two billion, seven hundred forty-four million, four hundred twenty-six thousand, nine hundred sixty-one".