22442479 has 8 divisors (see below), whose sum is σ = 23256720. Its totient is φ = 21642816.

The previous prime is 22442473. The next prime is 22442513. The reversal of 22442479 is 97424422.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22442479 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 (22442473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462 + ... + 6715.

It is an arithmetic number, because the mean of its divisors is an integer number (2907090).

Almost surely, 2^22442479 is an apocalyptic number.

22442479 is a deficient number, since it is larger than the sum of its proper divisors (814241).

22442479 is an equidigital number, since it uses as much as digits as its factorization.

22442479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289.

The product of its digits is 32256, while the sum is 34.

The square root of 22442479 is about 4737.3493643598. The cubic root of 22442479 is about 282.0700285485.

The spelling of 22442479 in words is "twenty-two million, four hundred forty-two thousand, four hundred seventy-nine".