22209601800 has 96 divisors (see below), whose sum is σ = 69721430400. Its totient is φ = 5847578880.

The previous prime is 22209601769. The next prime is 22209601819. The reversal of 22209601800 is 810690222.

It is a super-2 number, since 2×22209601800² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186879 + ... + 281678.

It is an arithmetic number, because the mean of its divisors is an integer number (726264900).

Almost surely, 2^22209601800 is an apocalyptic number.

22209601800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22209601800 is an abundant number, since it is smaller than the sum of its proper divisors (47511828600).

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

22209601800 is a wasteful number, since it uses less digits than its factorization.

22209601800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468655 (or 468646 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 22209601800 in words is "twenty-two billion, two hundred nine million, six hundred one thousand, eight hundred".