22038131879 has 2 divisors, whose sum is σ = 22038131880. Its totient is φ = 22038131878.

The previous prime is 22038131839. The next prime is 22038131897. The reversal of 22038131879 is 97813183022.

Together with next prime (22038131897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22038131879 - 2²⁰ = 22037083303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22038131809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11019065939 + 11019065940.

It is an arithmetic number, because the mean of its divisors is an integer number (11019065940).

Almost surely, 2^22038131879 is an apocalyptic number.

22038131879 is a deficient number, since it is larger than the sum of its proper divisors (1).

22038131879 is an equidigital number, since it uses as much as digits as its factorization.

22038131879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 22038131879 in words is "twenty-two billion, thirty-eight million, one hundred thirty-one thousand, eight hundred seventy-nine".