22237115 has 4 divisors (see below), whose sum is σ = 26684544. Its totient is φ = 17789688.

The previous prime is 22237109. The next prime is 22237121. The reversal of 22237115 is 51173222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22237109) and next prime (22237121).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22237115 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, 2223707 + ... + 2223716.

It is an arithmetic number, because the mean of its divisors is an integer number (6671136).

Almost surely, 2^22237115 is an apocalyptic number.

22237115 is a deficient number, since it is larger than the sum of its proper divisors (4447429).

22237115 is an equidigital number, since it uses as much as digits as its factorization.

22237115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447428.

The product of its digits is 840, while the sum is 23.

The square root of 22237115 is about 4715.6245609675. The cubic root of 22237115 is about 281.2070130186.

The spelling of 22237115 in words is "twenty-two million, two hundred thirty-seven thousand, one hundred fifteen".