22645479 has 8 divisors (see below), whose sum is σ = 31970160. Its totient is φ = 14208896.

The previous prime is 22645451. The next prime is 22645481. The reversal of 22645479 is 97454622.

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 22645479 - 2⁷ = 22645351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22645499) 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, 221964 + ... + 222065.

It is an arithmetic number, because the mean of its divisors is an integer number (3996270).

Almost surely, 2^22645479 is an apocalyptic number.

22645479 is a deficient number, since it is larger than the sum of its proper divisors (9324681).

22645479 is a wasteful number, since it uses less digits than its factorization.

22645479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444049.

The product of its digits is 120960, while the sum is 39.

The square root of 22645479 is about 4758.7266153878. The cubic root of 22645479 is about 282.9179508007.

The spelling of 22645479 in words is "twenty-two million, six hundred forty-five thousand, four hundred seventy-nine".