22394879 has 8 divisors (see below), whose sum is σ = 24769920. Its totient is φ = 20113056.

The previous prime is 22394861. The next prime is 22394909. The reversal of 22394879 is 97849322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22394879 - 2⁸ = 22394623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22394809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22799 + ... + 23760.

It is an arithmetic number, because the mean of its divisors is an integer number (3096240).

Almost surely, 2^22394879 is an apocalyptic number.

22394879 is a deficient number, since it is larger than the sum of its proper divisors (2375041).

22394879 is a wasteful number, since it uses less digits than its factorization.

22394879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46609.

The product of its digits is 217728, while the sum is 44.

The square root of 22394879 is about 4732.3227911883. The cubic root of 22394879 is about 281.8704659687.

The spelling of 22394879 in words is "twenty-two million, three hundred ninety-four thousand, eight hundred seventy-nine".