22613971 has 8 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 21292488.

The previous prime is 22613963. The next prime is 22613989. The reversal of 22613971 is 17931622.

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 22613971 - 2³ = 22613963 is a prime.

It is a super-2 number, since 2×22613971² = 1022783368777682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22613951) 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, 391 + ... + 6736.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 2^22613971 is an apocalyptic number.

22613971 is a deficient number, since it is larger than the sum of its proper divisors (1336109).

22613971 is a wasteful number, since it uses less digits than its factorization.

22613971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7313.

The product of its digits is 4536, while the sum is 31.

The square root of 22613971 is about 4755.4149135486. The cubic root of 22613971 is about 282.7866763821.

The spelling of 22613971 in words is "twenty-two million, six hundred thirteen thousand, nine hundred seventy-one".