22601894400 has 480 divisors, whose sum is σ = 87862769280. Its totient is φ = 5671157760.

The previous prime is 22601894387. The next prime is 22601894443. The reversal of 22601894400 is 449810622.

22601894400 is a `hidden beast` number, since 2 + 2 + 601 + 8 + 9 + 4 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5873277 + ... + 5877123.

It is an arithmetic number, because the mean of its divisors is an integer number (183047436).

Almost surely, 2^22601894400 is an apocalyptic number.

22601894400 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 22601894400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43931384640).

22601894400 is an abundant number, since it is smaller than the sum of its proper divisors (65260874880).

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

22601894400 is a wasteful number, since it uses less digits than its factorization.

22601894400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901 (or 3874 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 22601894400 in words is "twenty-two billion, six hundred one million, eight hundred ninety-four thousand, four hundred".