22557422579 has 4 divisors (see below), whose sum is σ = 22764371520. Its totient is φ = 22350473640.

The previous prime is 22557422543. The next prime is 22557422663. The reversal of 22557422579 is 97522475522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22557422579 is a prime.

It is a super-2 number, since 2×22557422579² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22557422539) 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, 103474307 + ... + 103474524.

It is an arithmetic number, because the mean of its divisors is an integer number (5691092880).

Almost surely, 2^22557422579 is an apocalyptic number.

22557422579 is a deficient number, since it is larger than the sum of its proper divisors (206948941).

22557422579 is a wasteful number, since it uses less digits than its factorization.

22557422579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206948940.

The product of its digits is 3528000, while the sum is 50.

The spelling of 22557422579 in words is "twenty-two billion, five hundred fifty-seven million, four hundred twenty-two thousand, five hundred seventy-nine".