22971566761 has 32 divisors (see below), whose sum is σ = 28767312000. Its totient is φ = 18020858880.

The previous prime is 22971566749. The next prime is 22971566803. The reversal of 22971566761 is 16766517922.

It is a cyclic number.

It is not a de Polignac number, because 22971566761 - 2⁵ = 22971566729 is a prime.

It is a super-2 number, since 2×22971566761² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22971566699 and 22971566708.

It is not an unprimeable number, because it can be changed into a prime (22971566741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330510 + ... + 393928.

It is an arithmetic number, because the mean of its divisors is an integer number (898978500).

Almost surely, 2^22971566761 is an apocalyptic number.

It is an amenable number.

22971566761 is a deficient number, since it is larger than the sum of its proper divisors (5795745239).

22971566761 is a wasteful number, since it uses less digits than its factorization.

22971566761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63609.

The product of its digits is 1905120, while the sum is 52.

The spelling of 22971566761 in words is "twenty-two billion, nine hundred seventy-one million, five hundred sixty-six thousand, seven hundred sixty-one".