22115230 has 16 divisors (see below), whose sum is σ = 40161744. Its totient is φ = 8767360.

The previous prime is 22115227. The next prime is 22115237. The reversal of 22115230 is 3251122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22115237) 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, 8656 + ... + 10915.

It is an arithmetic number, because the mean of its divisors is an integer number (2510109).

Almost surely, 2^22115230 is an apocalyptic number.

22115230 is a deficient number, since it is larger than the sum of its proper divisors (18046514).

22115230 is a wasteful number, since it uses less digits than its factorization.

22115230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19691.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22115230 is about 4702.6832765986. The cubic root of 22115230 is about 280.6922920191.

Adding to 22115230 its reverse (3251122), we get a palindrome (25366352).

It can be divided in two parts, 221 and 15230, that added together give a palindrome (15451).

The spelling of 22115230 in words is "twenty-two million, one hundred fifteen thousand, two hundred thirty".