22444879 has 4 divisors (see below), whose sum is σ = 23765184. Its totient is φ = 21124576.

The previous prime is 22444867. The next prime is 22444883. The reversal of 22444879 is 97844422.

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-22444879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444819) 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, 660127 + ... + 660160.

It is an arithmetic number, because the mean of its divisors is an integer number (5941296).

Almost surely, 2^22444879 is an apocalyptic number.

22444879 is a deficient number, since it is larger than the sum of its proper divisors (1320305).

22444879 is a wasteful number, since it uses less digits than its factorization.

22444879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320304.

The product of its digits is 129024, while the sum is 40.

The square root of 22444879 is about 4737.6026637953. The cubic root of 22444879 is about 282.0800830518.

The spelling of 22444879 in words is "twenty-two million, four hundred forty-four thousand, eight hundred seventy-nine".