222727142400 has 528 divisors, whose sum is σ = 877911857664. Its totient is φ = 48692920320.

The previous prime is 222727142359. The next prime is 222727142413. The reversal of 222727142400 is 4241727222.

It is a congruent number.

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, 12355794 + ... + 12373806.

Almost surely, 2^222727142400 is an apocalyptic number.

222727142400 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 222727142400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438955928832).

222727142400 is an abundant number, since it is smaller than the sum of its proper divisors (655184715264).

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

222727142400 is a wasteful number, since it uses less digits than its factorization.

222727142400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18076 (or 18053 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 33.

Adding to 222727142400 its reverse (4241727222), we get a palindrome (226968869622).

The spelling of 222727142400 in words is "two hundred twenty-two billion, seven hundred twenty-seven million, one hundred forty-two thousand, four hundred".