22613869 has 2 divisors, whose sum is σ = 22613870. Its totient is φ = 22613868.

The previous prime is 22613863. The next prime is 22613873. The reversal of 22613869 is 96831622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22610025 + 3844 = 4755^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 22613869 - 2⁷ = 22613741 is a prime.

It is a super-2 number, since 2×22613869² = 1022774142298322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22613863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11306934 + 11306935.

It is an arithmetic number, because the mean of its divisors is an integer number (11306935).

Almost surely, 2^22613869 is an apocalyptic number.

It is an amenable number.

22613869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22613869 is an equidigital number, since it uses as much as digits as its factorization.

22613869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 22613869 is about 4755.4041889202. The cubic root of 22613869 is about 282.7862512130.

The spelling of 22613869 in words is "twenty-two million, six hundred thirteen thousand, eight hundred sixty-nine".