22723422400 has 168 divisors, whose sum is σ = 67265377280. Its totient is φ = 7380771840.

The previous prime is 22723422383. The next prime is 22723422409. The reversal of 22723422400 is 422432722.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (22723422409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159409 + ... + 266191.

Almost surely, 2^22723422400 is an apocalyptic number.

22723422400 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 22723422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33632688640).

22723422400 is an abundant number, since it is smaller than the sum of its proper divisors (44541954880).

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

22723422400 is a wasteful number, since it uses less digits than its factorization.

22723422400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106831 (or 106816 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The spelling of 22723422400 in words is "twenty-two billion, seven hundred twenty-three million, four hundred twenty-two thousand, four hundred".