22540213379 has 2 divisors, whose sum is σ = 22540213380. Its totient is φ = 22540213378.

The previous prime is 22540213357. The next prime is 22540213393. The reversal of 22540213379 is 97331204522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22540213379 - 2²⁰ = 22539164803 is a prime.

It is a super-2 number, since 2×22540213379² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22540213309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270106689 + 11270106690.

It is an arithmetic number, because the mean of its divisors is an integer number (11270106690).

Almost surely, 2^22540213379 is an apocalyptic number.

22540213379 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540213379 is an equidigital number, since it uses as much as digits as its factorization.

22540213379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 22540213379 in words is "twenty-two billion, five hundred forty million, two hundred thirteen thousand, three hundred seventy-nine".