22045204242400 has 288 divisors, whose sum is σ = 54960044832000. Its totient is φ = 8632830259200.

The previous prime is 22045204242377. The next prime is 22045204242409. The reversal of 22045204242400 is 424240254022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045204242409) 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, 10502716551 + ... + 10502718649.

It is an arithmetic number, because the mean of its divisors is an integer number (190833489000).

Almost surely, 2^{22045204242400} is an apocalyptic number.

22045204242400 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 22045204242400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27480022416000).

22045204242400 is an abundant number, since it is smaller than the sum of its proper divisors (32914840589600).

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

22045204242400 is a wasteful number, since it uses less digits than its factorization.

22045204242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 22045204242400 its reverse (424240254022), we get a palindrome (22469444496422).

The spelling of 22045204242400 in words is "twenty-two trillion, forty-five billion, two hundred four million, two hundred forty-two thousand, four hundred".