22947577671769 has 3 divisors (see below), whose sum is σ = 22947582462133. Its totient is φ = 22947572881406.

The previous prime is 22947577671757. The next prime is 22947577671773. The reversal of 22947577671769 is 96717677574922.

The square root of 22947577671769 is 4790363.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 22947577671769 - 2¹¹ = 22947577669721 is a prime.

It is a super-2 number, since 2×22947577671769² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22947577671779) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2395182 + ... + 7185544.

Almost surely, 2^{22947577671769} is an apocalyptic number.

22947577671769 is the 4790363-rd square number.

22947577671769 is the 2395182-nd centered octagonal number.

It is an amenable number.

22947577671769 is a deficient number, since it is larger than the sum of its proper divisors (4790364).

22947577671769 is an frugal number, since it uses more digits than its factorization.

22947577671769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9580726 (or 4790363 counting only the distinct ones).

The product of its digits is 3920736960, while the sum is 79.

The spelling of 22947577671769 in words is "twenty-two trillion, nine hundred forty-seven billion, five hundred seventy-seven million, six hundred seventy-one thousand, seven hundred sixty-nine".