22871951 has 2 divisors, whose sum is σ = 22871952. Its totient is φ = 22871950.

The previous prime is 22871941. The next prime is 22871963. The reversal of 22871951 is 15917822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22871951 - 2⁶ = 22871887 is a prime.

It is a super-2 number, since 2×22871951² = 1046252285092802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22871911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11435975 + 11435976.

It is an arithmetic number, because the mean of its divisors is an integer number (11435976).

Almost surely, 2^22871951 is an apocalyptic number.

22871951 is a deficient number, since it is larger than the sum of its proper divisors (1).

22871951 is an equidigital number, since it uses as much as digits as its factorization.

22871951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The square root of 22871951 is about 4782.4628592390. The cubic root of 22871951 is about 283.8579556487.

The spelling of 22871951 in words is "twenty-two million, eight hundred seventy-one thousand, nine hundred fifty-one".