22113442 has 16 divisors (see below), whose sum is σ = 37275840. Its totient is φ = 9762192.

The previous prime is 22113439. The next prime is 22113449. The reversal of 22113442 is 24431122.

It is not an unprimeable number, because it can be changed into a prime (22113449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17892 + ... + 19087.

It is an arithmetic number, because the mean of its divisors is an integer number (2329740).

Almost surely, 2^22113442 is an apocalyptic number.

22113442 is a deficient number, since it is larger than the sum of its proper divisors (15162398).

22113442 is a wasteful number, since it uses less digits than its factorization.

22113442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37017.

The product of its digits is 384, while the sum is 19.

The square root of 22113442 is about 4702.4931685224. The cubic root of 22113442 is about 280.6847272271.

Adding to 22113442 its reverse (24431122), we get a palindrome (46544564).

The spelling of 22113442 in words is "twenty-two million, one hundred thirteen thousand, four hundred forty-two".