22623115 has 4 divisors (see below), whose sum is σ = 27147744. Its totient is φ = 18098488.

The previous prime is 22623113. The next prime is 22623119. The reversal of 22623115 is 51132622.

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 22623115 - 2¹ = 22623113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22623113) by changing a digit.

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, 2262307 + ... + 2262316.

It is an arithmetic number, because the mean of its divisors is an integer number (6786936).

Almost surely, 2^22623115 is an apocalyptic number.

22623115 is a deficient number, since it is larger than the sum of its proper divisors (4524629).

22623115 is an equidigital number, since it uses as much as digits as its factorization.

22623115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524628.

The product of its digits is 720, while the sum is 22.

The square root of 22623115 is about 4756.3762466819. The cubic root of 22623115 is about 282.8247863470.

Adding to 22623115 its reverse (51132622), we get a palindrome (73755737).

The spelling of 22623115 in words is "twenty-two million, six hundred twenty-three thousand, one hundred fifteen".