22290115 has 8 divisors (see below), whose sum is σ = 27024480. Its totient is φ = 17647872.

The previous prime is 22290109. The next prime is 22290119. The reversal of 22290115 is 51109222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22290115 - 2⁵ = 22290083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22290119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22495 + ... + 23464.

It is an arithmetic number, because the mean of its divisors is an integer number (3378060).

Almost surely, 2^22290115 is an apocalyptic number.

22290115 is a deficient number, since it is larger than the sum of its proper divisors (4734365).

22290115 is an equidigital number, since it uses as much as digits as its factorization.

22290115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46061.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 22290115 is about 4721.2408326625. The cubic root of 22290115 is about 281.4302456130.

Adding to 22290115 its reverse (51109222), we get a palindrome (73399337).

The spelling of 22290115 in words is "twenty-two million, two hundred ninety thousand, one hundred fifteen".