22971697 has 8 divisors (see below), whose sum is σ = 26283776. Its totient is φ = 19667232.

The previous prime is 22971671. The next prime is 22971721. The reversal of 22971697 is 79617922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22971697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22971647) 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, 8053 + ... + 10525.

It is an arithmetic number, because the mean of its divisors is an integer number (3285472).

Almost surely, 2^22971697 is an apocalyptic number.

It is an amenable number.

22971697 is a deficient number, since it is larger than the sum of its proper divisors (3312079).

22971697 is a wasteful number, since it uses less digits than its factorization.

22971697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807.

The product of its digits is 95256, while the sum is 43.

The square root of 22971697 is about 4792.8798232378. The cubic root of 22971697 is about 284.2699979768.

The spelling of 22971697 in words is "twenty-two million, nine hundred seventy-one thousand, six hundred ninety-seven".