22065137792 has 16 divisors (see below), whose sum is σ = 43957891950. Its totient is φ = 11032568832.

The previous prime is 22065137767. The next prime is 22065137797. The reversal of 22065137792 is 29773156022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20148099136 + 1917038656 = 141944^2 + 43784^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (22065137797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86191817 + ... + 86192072.

Almost surely, 2^22065137792 is an apocalyptic number.

It is an amenable number.

22065137792 is a deficient number, since it is larger than the sum of its proper divisors (21892754158).

22065137792 is an equidigital number, since it uses as much as digits as its factorization.

22065137792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172383903 (or 172383891 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 22065137792 in words is "twenty-two billion, sixty-five million, one hundred thirty-seven thousand, seven hundred ninety-two".