22828115 has 4 divisors (see below), whose sum is σ = 27393744. Its totient is φ = 18262488.

The previous prime is 22828111. The next prime is 22828151. The reversal of 22828115 is 51182822.

It is a happy number.

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 22828115 - 2² = 22828111 is a prime.

It is a super-2 number, since 2×22828115² = 1042245668906450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22828111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282807 + ... + 2282816.

It is an arithmetic number, because the mean of its divisors is an integer number (6848436).

Almost surely, 2^22828115 is an apocalyptic number.

22828115 is a deficient number, since it is larger than the sum of its proper divisors (4565629).

22828115 is an equidigital number, since it uses as much as digits as its factorization.

22828115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565628.

The product of its digits is 2560, while the sum is 29.

The square root of 22828115 is about 4777.8776669145. The cubic root of 22828115 is about 283.6764938618.

The spelling of 22828115 in words is "twenty-two million, eight hundred twenty-eight thousand, one hundred fifteen".