22449453600 has 288 divisors, whose sum is σ = 87144422400. Its totient is φ = 4908119040.

The previous prime is 22449453599. The next prime is 22449453601. The reversal of 22449453600 is 635494422.

It is an interprime number because it is at equal distance from previous prime (22449453599) and next prime (22449453601).

It is not an unprimeable number, because it can be changed into a prime (22449453601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357351 + ... + 415449.

It is an arithmetic number, because the mean of its divisors is an integer number (302584800).

Almost surely, 2^22449453600 is an apocalyptic number.

22449453600 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 22449453600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43572211200).

22449453600 is an abundant number, since it is smaller than the sum of its proper divisors (64694968800).

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

22449453600 is a wasteful number, since it uses less digits than its factorization.

22449453600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58152 (or 58139 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 22449453600 in words is "twenty-two billion, four hundred forty-nine million, four hundred fifty-three thousand, six hundred".