22369871 has 2 divisors, whose sum is σ = 22369872. Its totient is φ = 22369870.

The previous prime is 22369829. The next prime is 22369889. The reversal of 22369871 is 17896322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22369871 is a prime.

It is a super-2 number, since 2×22369871² = 1000822257113282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22369801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11184935 + 11184936.

It is an arithmetic number, because the mean of its divisors is an integer number (11184936).

Almost surely, 2^22369871 is an apocalyptic number.

22369871 is a deficient number, since it is larger than the sum of its proper divisors (1).

22369871 is an equidigital number, since it uses as much as digits as its factorization.

22369871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 22369871 is about 4729.6797988870. The cubic root of 22369871 is about 281.7655068233.

The spelling of 22369871 in words is "twenty-two million, three hundred sixty-nine thousand, eight hundred seventy-one".