22124315 has 4 divisors (see below), whose sum is σ = 26549184. Its totient is φ = 17699448.

The previous prime is 22124309. The next prime is 22124339. The reversal of 22124315 is 51342122.

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

It is a cyclic number.

It is not a de Polignac number, because 22124315 - 2⁴ = 22124299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212427 + ... + 2212436.

It is an arithmetic number, because the mean of its divisors is an integer number (6637296).

Almost surely, 2^22124315 is an apocalyptic number.

22124315 is a deficient number, since it is larger than the sum of its proper divisors (4424869).

22124315 is an equidigital number, since it uses as much as digits as its factorization.

22124315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424868.

The product of its digits is 480, while the sum is 20.

The square root of 22124315 is about 4703.6491153146. The cubic root of 22124315 is about 280.7307231569.

Adding to 22124315 its reverse (51342122), we get a palindrome (73466437).

The spelling of 22124315 in words is "twenty-two million, one hundred twenty-four thousand, three hundred fifteen".