22266115 has 4 divisors (see below), whose sum is σ = 26719344. Its totient is φ = 17812888.

The previous prime is 22266103. The next prime is 22266137. The reversal of 22266115 is 51166222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51166222 = 2 ⋅25583111.

It is a cyclic number.

It is not a de Polignac number, because 22266115 - 2⁷ = 22265987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22266115.

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, 2226607 + ... + 2226616.

It is an arithmetic number, because the mean of its divisors is an integer number (6679836).

Almost surely, 2^22266115 is an apocalyptic number.

22266115 is a deficient number, since it is larger than the sum of its proper divisors (4453229).

22266115 is an equidigital number, since it uses as much as digits as its factorization.

22266115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453228.

The product of its digits is 1440, while the sum is 25.

The square root of 22266115 is about 4718.6984434270. The cubic root of 22266115 is about 281.3292030433.

The spelling of 22266115 in words is "twenty-two million, two hundred sixty-six thousand, one hundred fifteen".