22113579 has 4 divisors (see below), whose sum is σ = 29484776. Its totient is φ = 14742384.

The previous prime is 22113577. The next prime is 22113643. The reversal of 22113579 is 97531122.

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

It is not a de Polignac number, because 22113579 - 2¹ = 22113577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685594 + ... + 3685599.

It is an arithmetic number, because the mean of its divisors is an integer number (7371194).

Almost surely, 2^22113579 is an apocalyptic number.

22113579 is a deficient number, since it is larger than the sum of its proper divisors (7371197).

22113579 is an equidigital number, since it uses as much as digits as its factorization.

22113579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7371196.

The product of its digits is 3780, while the sum is 30.

The square root of 22113579 is about 4702.5077352408. The cubic root of 22113579 is about 280.6853068704.

The spelling of 22113579 in words is "twenty-two million, one hundred thirteen thousand, five hundred seventy-nine".