22653328579 has 4 divisors (see below), whose sum is σ = 25889518384. Its totient is φ = 19417138776.

The previous prime is 22653328571. The next prime is 22653328601. The reversal of 22653328579 is 97582335622.

It is a happy number.

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

It is not a de Polignac number, because 22653328579 - 2³ = 22653328571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22653328571) 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, 1618094892 + ... + 1618094905.

It is an arithmetic number, because the mean of its divisors is an integer number (6472379596).

Almost surely, 2^22653328579 is an apocalyptic number.

22653328579 is a deficient number, since it is larger than the sum of its proper divisors (3236189805).

22653328579 is an equidigital number, since it uses as much as digits as its factorization.

22653328579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236189804.

The product of its digits is 5443200, while the sum is 52.

The spelling of 22653328579 in words is "twenty-two billion, six hundred fifty-three million, three hundred twenty-eight thousand, five hundred seventy-nine".