22001232204 has 48 divisors (see below), whose sum is σ = 65188838400. Its totient is φ = 6286066128.

The previous prime is 22001232167. The next prime is 22001232293. The reversal of 22001232204 is 40223210022.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14550324 + ... + 14551835.

It is an arithmetic number, because the mean of its divisors is an integer number (1358100800).

Almost surely, 2^22001232204 is an apocalyptic number.

It is an amenable number.

22001232204 is an abundant number, since it is smaller than the sum of its proper divisors (43187606196).

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

22001232204 is a wasteful number, since it uses less digits than its factorization.

22001232204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29102179 (or 29102171 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22001232204 its reverse (40223210022), we get a palindrome (62224442226).

The spelling of 22001232204 in words is "twenty-two billion, one million, two hundred thirty-two thousand, two hundred four".