22200004 has 12 divisors (see below), whose sum is σ = 39583404. Its totient is φ = 10890464.

The previous prime is 22200001. The next prime is 22200023. The reversal of 22200004 is 40000222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8122500 + 14077504 = 2850^2 + 3752^2 .

It is not an unprimeable number, because it can be changed into a prime (22200001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52147 + ... + 52570.

It is an arithmetic number, because the mean of its divisors is an integer number (3298617).

Almost surely, 2^22200004 is an apocalyptic number.

It is an amenable number.

22200004 is a deficient number, since it is larger than the sum of its proper divisors (17383400).

22200004 is a wasteful number, since it uses less digits than its factorization.

22200004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104774 (or 104772 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 22200004 is about 4711.6880202322. The cubic root of 22200004 is about 281.0504926510.

Adding to 22200004 its reverse (40000222), we get a palindrome (62200226).

The spelling of 22200004 in words is "twenty-two million, two hundred thousand, four".