22331057057 has 4 divisors (see below), whose sum is σ = 22428572820. Its totient is φ = 22233541296.

The previous prime is 22331057041. The next prime is 22331057059. The reversal of 22331057057 is 75075013322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20538042721 + 1793014336 = 143311^2 + 42344^2 .

It is a cyclic number.

It is not a de Polignac number, because 22331057057 - 2⁴ = 22331057041 is a prime.

It is a super-2 number, since 2×22331057057² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331057059) 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, 48757538 + ... + 48757995.

It is an arithmetic number, because the mean of its divisors is an integer number (5607143205).

Almost surely, 2^22331057057 is an apocalyptic number.

It is an amenable number.

22331057057 is a deficient number, since it is larger than the sum of its proper divisors (97515763).

22331057057 is an equidigital number, since it uses as much as digits as its factorization.

22331057057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97515762.

The product of its (nonzero) digits is 44100, while the sum is 35.

The spelling of 22331057057 in words is "twenty-two billion, three hundred thirty-one million, fifty-seven thousand, fifty-seven".