22044874619 has 4 divisors (see below), whose sum is σ = 22045276944. Its totient is φ = 22044472296.

The previous prime is 22044874571. The next prime is 22044874667. The reversal of 22044874619 is 91647844022.

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

It is an interprime number because it is at equal distance from previous prime (22044874571) and next prime (22044874667).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22044874619 is a prime.

It is a super-2 number, since 2×22044874619² (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 (22044874679) 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, 103007 + ... + 233880.

It is an arithmetic number, because the mean of its divisors is an integer number (5511319236).

Almost surely, 2^22044874619 is an apocalyptic number.

22044874619 is a deficient number, since it is larger than the sum of its proper divisors (402325).

22044874619 is an equidigital number, since it uses as much as digits as its factorization.

22044874619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402324.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 22044874619 in words is "twenty-two billion, forty-four million, eight hundred seventy-four thousand, six hundred nineteen".