22905791965 has 32 divisors (see below), whose sum is σ = 32441702400. Its totient is φ = 15193267200.

The previous prime is 22905791963. The next prime is 22905791969. The reversal of 22905791965 is 56919750922.

It is not a de Polignac number, because 22905791965 - 2¹ = 22905791963 is a prime.

It is a super-2 number, since 2×22905791965² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22905791963) 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 31 ways as a sum of consecutive naturals, for example, 3739105 + ... + 3745225.

It is an arithmetic number, because the mean of its divisors is an integer number (1013803200).

Almost surely, 2^22905791965 is an apocalyptic number.

It is an amenable number.

22905791965 is a deficient number, since it is larger than the sum of its proper divisors (9535910435).

22905791965 is a wasteful number, since it uses less digits than its factorization.

22905791965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9613.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The spelling of 22905791965 in words is "twenty-two billion, nine hundred five million, seven hundred ninety-one thousand, nine hundred sixty-five".