22139883877 has 2 divisors, whose sum is σ = 22139883878. Its totient is φ = 22139883876.

The previous prime is 22139883863. The next prime is 22139883911. The reversal of 22139883877 is 77838893122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22139654436 + 229441 = 148794^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 22139883877 - 2¹⁵ = 22139851109 is a prime.

It is a super-2 number, since 2×22139883877² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22139883677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11069941938 + 11069941939.

It is an arithmetic number, because the mean of its divisors is an integer number (11069941939).

Almost surely, 2^22139883877 is an apocalyptic number.

It is an amenable number.

22139883877 is a deficient number, since it is larger than the sum of its proper divisors (1).

22139883877 is an equidigital number, since it uses as much as digits as its factorization.

22139883877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 58.

The spelling of 22139883877 in words is "twenty-two billion, one hundred thirty-nine million, eight hundred eighty-three thousand, eight hundred seventy-seven".