22042052 has 12 divisors (see below), whose sum is σ = 40603920. Its totient is φ = 10440936.

The previous prime is 22042049. The next prime is 22042057. The reversal of 22042052 is 25024022.

It is a self number, because there is not a number n which added to its sum of digits gives 22042052.

It is not an unprimeable number, because it can be changed into a prime (22042057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144938 + ... + 145089.

It is an arithmetic number, because the mean of its divisors is an integer number (3383660).

Almost surely, 2^22042052 is an apocalyptic number.

It is an amenable number.

22042052 is a deficient number, since it is larger than the sum of its proper divisors (18561868).

22042052 is a wasteful number, since it uses less digits than its factorization.

22042052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290050 (or 290048 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 22042052 is about 4694.8963779832. The cubic root of 22042052 is about 280.3823517945.

Adding to 22042052 its reverse (25024022), we get a palindrome (47066074).

The spelling of 22042052 in words is "twenty-two million, forty-two thousand, fifty-two".