22748774400 has 1080 divisors, whose sum is σ = 97270805520. Its totient is φ = 5190451200.

The previous prime is 22748774369. The next prime is 22748774401. The reversal of 22748774400 is 447784722.

It is a tau number, because it is divible by the number of its divisors (1080).

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

It is not an unprimeable number, because it can be changed into a prime (22748774401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1338163192 + ... + 1338163208.

Almost surely, 2^22748774400 is an apocalyptic number.

22748774400 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 22748774400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48635402760).

22748774400 is an abundant number, since it is smaller than the sum of its proper divisors (74522031120).

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

22748774400 is a wasteful number, since it uses less digits than its factorization.

22748774400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The spelling of 22748774400 in words is "twenty-two billion, seven hundred forty-eight million, seven hundred seventy-four thousand, four hundred".