22113442297 has 4 divisors (see below), whose sum is σ = 22875974820. Its totient is φ = 21350909776.

The previous prime is 22113442261. The next prime is 22113442327. The reversal of 22113442297 is 79224431122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79224431122 = 2 ⋅39612215561.

It can be written as a sum of positive squares in 2 ways, for example, as 14327850601 + 7785591696 = 119699^2 + 88236^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113442297 - 2²⁷ = 21979224569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113442697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381266218 + ... + 381266275.

It is an arithmetic number, because the mean of its divisors is an integer number (5718993705).

Almost surely, 2^22113442297 is an apocalyptic number.

It is an amenable number.

22113442297 is a deficient number, since it is larger than the sum of its proper divisors (762532523).

22113442297 is an equidigital number, since it uses as much as digits as its factorization.

22113442297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762532522.

The product of its digits is 48384, while the sum is 37.

The spelling of 22113442297 in words is "twenty-two billion, one hundred thirteen million, four hundred forty-two thousand, two hundred ninety-seven".