22452200440000 has 280 divisors, whose sum is σ = 58638560904000. Its totient is φ = 8503240320000.

The previous prime is 22452200439983. The next prime is 22452200440003. The reversal of 22452200440000 is 4400225422.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (22452200440003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1467552351 + ... + 1467567649.

It is an arithmetic number, because the mean of its divisors is an integer number (209423431800).

Almost surely, 2^{22452200440000} is an apocalyptic number.

22452200440000 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 22452200440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29319280452000).

22452200440000 is an abundant number, since it is smaller than the sum of its proper divisors (36186360464000).

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

22452200440000 is a wasteful number, since it uses less digits than its factorization.

22452200440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17281 (or 17256 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 22452200440000 its reverse (4400225422), we get a palindrome (22456600665422).

The spelling of 22452200440000 in words is "twenty-two trillion, four hundred fifty-two billion, two hundred million, four hundred forty thousand".