22422442 has 16 divisors (see below), whose sum is σ = 38512512. Its totient is φ = 9591120.

The previous prime is 22422437. The next prime is 22422457. The reversal of 22422442 is 24422422.

It is a happy number.

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, 8043 + ... + 10465.

It is an arithmetic number, because the mean of its divisors is an integer number (2407032).

Almost surely, 2^22422442 is an apocalyptic number.

22422442 is a deficient number, since it is larger than the sum of its proper divisors (16090070).

22422442 is a wasteful number, since it uses less digits than its factorization.

22422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093.

The product of its digits is 2048, while the sum is 22.

The square root of 22422442 is about 4735.2341019215. The cubic root of 22422442 is about 281.9860580268.

Adding to 22422442 its reverse (24422422), we get a palindrome (46844864).

The spelling of 22422442 in words is "twenty-two million, four hundred twenty-two thousand, four hundred forty-two".