22978771200 has 1296 divisors, whose sum is σ = 106522487680. Its totient is φ = 4744396800.

The previous prime is 22978771199. The next prime is 22978771279. The reversal of 22978771200 is 217787922.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 146361522 + ... + 146361678.

Almost surely, 2^22978771200 is an apocalyptic number.

22978771200 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 22978771200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53261243840).

22978771200 is an abundant number, since it is smaller than the sum of its proper divisors (83543716480).

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

22978771200 is a wasteful number, since it uses less digits than its factorization.

22978771200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The spelling of 22978771200 in words is "twenty-two billion, nine hundred seventy-eight million, seven hundred seventy-one thousand, two hundred".