22942427761 has 12 divisors (see below), whose sum is σ = 25229106756. Its totient is φ = 20847326720.

The previous prime is 22942427749. The next prime is 22942427797. The reversal of 22942427761 is 16772424922.

It can be written as a sum of positive squares in 2 ways, for example, as 10589439025 + 12352988736 = 102905^2 + 111144^2 .

It is not a de Polignac number, because 22942427761 - 2³¹ = 20794944113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22942427701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233325 + ... + 316741.

It is an arithmetic number, because the mean of its divisors is an integer number (2102425563).

Almost surely, 2^22942427761 is an apocalyptic number.

It is an amenable number.

22942427761 is a deficient number, since it is larger than the sum of its proper divisors (2286678995).

22942427761 is a wasteful number, since it uses less digits than its factorization.

22942427761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85712 (or 85701 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The spelling of 22942427761 in words is "twenty-two billion, nine hundred forty-two million, four hundred twenty-seven thousand, seven hundred sixty-one".