22201214400 has 168 divisors, whose sum is σ = 80931806640. Its totient is φ = 5920312320.

The previous prime is 22201214369. The next prime is 22201214401. The reversal of 22201214400 is 441210222.

22201214400 is a `hidden beast` number, since 2 + 2 + 201 + 21 + 440 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201214401) 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, 213759 + ... + 300158.

Almost surely, 2^22201214400 is an apocalyptic number.

22201214400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201214400 is an abundant number, since it is smaller than the sum of its proper divisors (58730592240).

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

22201214400 is a wasteful number, since it uses less digits than its factorization.

22201214400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513948 (or 513927 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22201214400 its reverse (441210222), we get a palindrome (22642424622).

The spelling of 22201214400 in words is "twenty-two billion, two hundred one million, two hundred fourteen thousand, four hundred".