22897958971 has 4 divisors (see below), whose sum is σ = 24244897752. Its totient is φ = 21551020192.

The previous prime is 22897958929. The next prime is 22897958977. The reversal of 22897958971 is 17985979822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17985979822 = 2 ⋅8992989911.

It is a cyclic number.

It is not a de Polignac number, because 22897958971 - 2²⁷ = 22763741243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22897958897 and 22897958906.

It is not an unprimeable number, because it can be changed into a prime (22897958977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673469365 + ... + 673469398.

It is an arithmetic number, because the mean of its divisors is an integer number (6061224438).

Almost surely, 2^22897958971 is an apocalyptic number.

22897958971 is a deficient number, since it is larger than the sum of its proper divisors (1346938781).

22897958971 is a wasteful number, since it uses less digits than its factorization.

22897958971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346938780.

The product of its digits is 45722880, while the sum is 67.

The spelling of 22897958971 in words is "twenty-two billion, eight hundred ninety-seven million, nine hundred fifty-eight thousand, nine hundred seventy-one".