22756412777761 has 8 divisors (see below), whose sum is σ = 25572423723840. Its totient is φ = 20092618639632.

The previous prime is 22756412777743. The next prime is 22756412777767. The reversal of 22756412777761 is 16777721465722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22756412777761 - 2⁴³ = 13960319755553 is a prime.

It is a super-2 number, since 2×22756412777761² (a number of 28 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 = 22756412777693 and 22756412777702.

It is not an unprimeable number, because it can be changed into a prime (22756412777767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38054201671 + ... + 38054202268.

It is an arithmetic number, because the mean of its divisors is an integer number (3196552965480).

Almost surely, 2^{22756412777761} is an apocalyptic number.

It is an amenable number.

22756412777761 is a deficient number, since it is larger than the sum of its proper divisors (2816010946079).

22756412777761 is a wasteful number, since it uses less digits than its factorization.

22756412777761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76108403975.

The product of its digits is 96808320, while the sum is 64.

The spelling of 22756412777761 in words is "twenty-two trillion, seven hundred fifty-six billion, four hundred twelve million, seven hundred seventy-seven thousand, seven hundred sixty-one".