22768115 has 4 divisors (see below), whose sum is σ = 27321744. Its totient is φ = 18214488.

The previous prime is 22768093. The next prime is 22768121. The reversal of 22768115 is 51186722.

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 22768115 - 2⁸ = 22767859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276807 + ... + 2276816.

It is an arithmetic number, because the mean of its divisors is an integer number (6830436).

Almost surely, 2^22768115 is an apocalyptic number.

22768115 is a deficient number, since it is larger than the sum of its proper divisors (4553629).

22768115 is an equidigital number, since it uses as much as digits as its factorization.

22768115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553628.

The product of its digits is 6720, while the sum is 32.

The square root of 22768115 is about 4771.5945971970. The cubic root of 22768115 is about 283.4277432401.

The spelling of 22768115 in words is "twenty-two million, seven hundred sixty-eight thousand, one hundred fifteen".