22571257357 has 12 divisors (see below), whose sum is σ = 26269127388. Its totient is φ = 19312304000.

The previous prime is 22571257349. The next prime is 22571257381. The reversal of 22571257357 is 75375217522.

It can be written as a sum of positive squares in 2 ways, for example, as 11398978756 + 11172278601 = 106766^2 + 105699^2 .

It is not a de Polignac number, because 22571257357 - 2³ = 22571257349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22571257327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5484394 + ... + 5488507.

It is an arithmetic number, because the mean of its divisors is an integer number (2189093949).

Almost surely, 2^22571257357 is an apocalyptic number.

It is an amenable number.

22571257357 is a deficient number, since it is larger than the sum of its proper divisors (3697870031).

22571257357 is a wasteful number, since it uses less digits than its factorization.

22571257357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10972940 (or 10972929 counting only the distinct ones).

The product of its digits is 1029000, while the sum is 46.

The spelling of 22571257357 in words is "twenty-two billion, five hundred seventy-one million, two hundred fifty-seven thousand, three hundred fifty-seven".