22002018204 has 24 divisors (see below), whose sum is σ = 51645460608. Its totient is φ = 7290089200.

The previous prime is 22002018197. The next prime is 22002018223. The reversal of 22002018204 is 40281020022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5487522 + ... + 5491529.

It is an arithmetic number, because the mean of its divisors is an integer number (2151894192).

Almost surely, 2^22002018204 is an apocalyptic number.

It is an amenable number.

22002018204 is an abundant number, since it is smaller than the sum of its proper divisors (29643442404).

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

22002018204 is a wasteful number, since it uses less digits than its factorization.

22002018204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979225 (or 10979223 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22002018204 its reverse (40281020022), we get a palindrome (62283038226).

The spelling of 22002018204 in words is "twenty-two billion, two million, eighteen thousand, two hundred four".