22024004004 has 60 divisors (see below), whose sum is σ = 57633013900. Its totient is φ = 7333949952.

The previous prime is 22024004003. The next prime is 22024004011. The reversal of 22024004004 is 40040042022.

22024004004 is a `hidden beast` number, since 2 + 20 + 240 + 0 + 400 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2083739904 + 19940264100 = 45648^2 + 141210^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22024004003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 293232 + ... + 360600.

Almost surely, 2^22024004004 is an apocalyptic number.

It is an amenable number.

22024004004 is an abundant number, since it is smaller than the sum of its proper divisors (35609009896).

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

22024004004 is a wasteful number, since it uses less digits than its factorization.

22024004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68394 (or 68383 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22024004004 its reverse (40040042022), we get a palindrome (62064046026).

The spelling of 22024004004 in words is "twenty-two billion, twenty-four million, four thousand, four".