22199155780 has 24 divisors (see below), whose sum is σ = 49071818880. Its totient is φ = 8412311520.

The previous prime is 22199155763. The next prime is 22199155789. The reversal of 22199155780 is 8755199122.

It is not an unprimeable number, because it can be changed into a prime (22199155789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29209036 + ... + 29209795.

It is an arithmetic number, because the mean of its divisors is an integer number (2044659120).

Almost surely, 2^22199155780 is an apocalyptic number.

22199155780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22199155780 is an abundant number, since it is smaller than the sum of its proper divisors (26872663100).

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

22199155780 is a wasteful number, since it uses less digits than its factorization.

22199155780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58418859 (or 58418857 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 22199155780 in words is "twenty-two billion, one hundred ninety-nine million, one hundred fifty-five thousand, seven hundred eighty".