22204002 has 16 divisors (see below), whose sum is σ = 44504352. Its totient is φ = 7385280.

The previous prime is 22203997. The next prime is 22204009. The reversal of 22204002 is 20040222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22204009) 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, 823 + ... + 6714.

It is an arithmetic number, because the mean of its divisors is an integer number (2781522).

Almost surely, 2^22204002 is an apocalyptic number.

22204002 is an abundant number, since it is smaller than the sum of its proper divisors (22300350).

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

22204002 is a wasteful number, since it uses less digits than its factorization.

22204002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033.

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

The square root of 22204002 is about 4712.1122652161. The cubic root of 22204002 is about 281.0673631047.

Adding to 22204002 its reverse (20040222), we get a palindrome (42244224).

The spelling of 22204002 in words is "twenty-two million, two hundred four thousand, two".