22256115 has 32 divisors (see below), whose sum is σ = 41041920. Its totient is φ = 10088064.

The previous prime is 22256099. The next prime is 22256123. The reversal of 22256115 is 51165222.

It is a happy number.

It is not a de Polignac number, because 22256115 - 2⁴ = 22256099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12501 + ... + 14169.

It is an arithmetic number, because the mean of its divisors is an integer number (1282560).

Almost surely, 2^22256115 is an apocalyptic number.

22256115 is a deficient number, since it is larger than the sum of its proper divisors (18785805).

22256115 is a wasteful number, since it uses less digits than its factorization.

22256115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its digits is 1200, while the sum is 24.

The square root of 22256115 is about 4717.6387102024. The cubic root of 22256115 is about 281.2870805431.

The spelling of 22256115 in words is "twenty-two million, two hundred fifty-six thousand, one hundred fifteen".