22042002 has 16 divisors (see below), whose sum is σ = 44164800. Its totient is φ = 7333872.

The previous prime is 22041997. The next prime is 22042003. The reversal of 22042002 is 20024022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22042003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528 + ... + 6660.

It is an arithmetic number, because the mean of its divisors is an integer number (2760300).

Almost surely, 2^22042002 is an apocalyptic number.

22042002 is an abundant number, since it is smaller than the sum of its proper divisors (22122798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22042002 is a wasteful number, since it uses less digits than its factorization.

22042002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 22042002 is about 4694.8910530490. The cubic root of 22042002 is about 280.3821397887.

Adding to 22042002 its reverse (20024022), we get a palindrome (42066024).

The spelling of 22042002 in words is "twenty-two million, forty-two thousand, two".