22115434 has 16 divisors (see below), whose sum is σ = 36310176. Its totient is φ = 10018800.

The previous prime is 22115413. The next prime is 22115447. The reversal of 22115434 is 43451122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764 + ... + 8800.

It is an arithmetic number, because the mean of its divisors is an integer number (2269386).

Almost surely, 2^22115434 is an apocalyptic number.

22115434 is a deficient number, since it is larger than the sum of its proper divisors (14194742).

22115434 is a wasteful number, since it uses less digits than its factorization.

22115434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381.

The product of its digits is 960, while the sum is 22.

The square root of 22115434 is about 4702.7049662933. The cubic root of 22115434 is about 280.6931550902.

Adding to 22115434 its reverse (43451122), we get a palindrome (65566556).

The spelling of 22115434 in words is "twenty-two million, one hundred fifteen thousand, four hundred thirty-four".