22024004 has 6 divisors (see below), whose sum is σ = 38542014. Its totient is φ = 11012000.

The previous prime is 22024003. The next prime is 22024007. The reversal of 22024004 is 40042022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13912900 + 8111104 = 3730^2 + 2848^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22024004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752997 + ... + 2753004.

It is an arithmetic number, because the mean of its divisors is an integer number (6423669).

Almost surely, 2^22024004 is an apocalyptic number.

It is an amenable number.

22024004 is a deficient number, since it is larger than the sum of its proper divisors (16518010).

22024004 is a wasteful number, since it uses less digits than its factorization.

22024004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506005 (or 5506003 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22024004 is about 4692.9738972212. The cubic root of 22024004 is about 280.3058053452.

Adding to 22024004 its reverse (40042022), we get a palindrome (62066026).

The spelling of 22024004 in words is "twenty-two million, twenty-four thousand, four".