22444142 has 16 divisors (see below), whose sum is σ = 39004512. Its totient is φ = 9486720.

The previous prime is 22444127. The next prime is 22444153. The reversal of 22444142 is 24144422.

It is a congruent 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, 9959 + ... + 12002.

It is an arithmetic number, because the mean of its divisors is an integer number (2437782).

Almost surely, 2^22444142 is an apocalyptic number.

22444142 is a deficient number, since it is larger than the sum of its proper divisors (16560370).

22444142 is a wasteful number, since it uses less digits than its factorization.

22444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22043.

The product of its digits is 2048, while the sum is 23.

The square root of 22444142 is about 4737.5248812012. The cubic root of 22444142 is about 282.0769955577.

Adding to 22444142 its reverse (24144422), we get a palindrome (46588564).

The spelling of 22444142 in words is "twenty-two million, four hundred forty-four thousand, one hundred forty-two".