22919212680 has 256 divisors, whose sum is σ = 84941498880. Its totient is φ = 4817608704.

The previous prime is 22919212663. The next prime is 22919212709. The reversal of 22919212680 is 8621291922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3021052 + ... + 3028628.

It is an arithmetic number, because the mean of its divisors is an integer number (331802730).

Almost surely, 2^22919212680 is an apocalyptic number.

22919212680 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 22919212680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42470749440).

22919212680 is an abundant number, since it is smaller than the sum of its proper divisors (62022286200).

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

22919212680 is a wasteful number, since it uses less digits than its factorization.

22919212680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888 (or 7884 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 22919212680 in words is "twenty-two billion, nine hundred nineteen million, two hundred twelve thousand, six hundred eighty".