21922196360 has 64 divisors (see below), whose sum is σ = 50548639680. Its totient is φ = 8551952640.

The previous prime is 21922196347. The next prime is 21922196363. The reversal of 21922196360 is 6369122912.

It is not an unprimeable number, because it can be changed into a prime (21922196363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165430 + ... + 1184090.

It is an arithmetic number, because the mean of its divisors is an integer number (789822495).

Almost surely, 2^21922196360 is an apocalyptic number.

21922196360 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 21922196360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25274319840).

21922196360 is an abundant number, since it is smaller than the sum of its proper divisors (28626443320).

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

21922196360 is a wasteful number, since it uses less digits than its factorization.

21922196360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19398 (or 19394 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 21922196360 in words is "twenty-one billion, nine hundred twenty-two million, one hundred ninety-six thousand, three hundred sixty".