22232209860 has 768 divisors, whose sum is σ = 87075717120. Its totient is φ = 4598415360.

The previous prime is 22232209859. The next prime is 22232209889. The reversal of 22232209860 is 6890223222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 196745164 + ... + 196745276.

It is an arithmetic number, because the mean of its divisors is an integer number (113379840).

Almost surely, 2^22232209860 is an apocalyptic number.

22232209860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22232209860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43537858560).

22232209860 is an abundant number, since it is smaller than the sum of its proper divisors (64843507260).

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

22232209860 is a wasteful number, since it uses less digits than its factorization.

22232209860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 22232209860 in words is "twenty-two billion, two hundred thirty-two million, two hundred nine thousand, eight hundred sixty".