22442042 has 16 divisors (see below), whose sum is σ = 38610432. Its totient is φ = 9583440.

The previous prime is 22442029. The next prime is 22442081. The reversal of 22442042 is 24024422.

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, 1367 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (2413152).

Almost surely, 2^22442042 is an apocalyptic number.

22442042 is a deficient number, since it is larger than the sum of its proper divisors (16168390).

22442042 is a wasteful number, since it uses less digits than its factorization.

22442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 22442042 is about 4737.3032412967. The cubic root of 22442042 is about 282.0681977139.

Adding to 22442042 its reverse (24024422), we get a palindrome (46466464).

The spelling of 22442042 in words is "twenty-two million, four hundred forty-two thousand, forty-two".