22115254 has 16 divisors (see below), whose sum is σ = 38340000. Its totient is φ = 9370944.

The previous prime is 22115251. The next prime is 22115279. The reversal of 22115254 is 45251122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22115251) 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, 7629 + ... + 10120.

It is an arithmetic number, because the mean of its divisors is an integer number (2396250).

Almost surely, 2^22115254 is an apocalyptic number.

22115254 is a deficient number, since it is larger than the sum of its proper divisors (16224746).

22115254 is a wasteful number, since it uses less digits than its factorization.

22115254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17847.

The product of its digits is 800, while the sum is 22.

The square root of 22115254 is about 4702.6858283326. The cubic root of 22115254 is about 280.6923935571.

Adding to 22115254 its reverse (45251122), we get a palindrome (67366376).

The spelling of 22115254 in words is "twenty-two million, one hundred fifteen thousand, two hundred fifty-four".