222232321400 has 24 divisors (see below), whose sum is σ = 516690147720. Its totient is φ = 88892928480.

The previous prime is 222232321397. The next prime is 222232321417. The reversal of 222232321400 is 4123232222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555580604 + ... + 555581003.

It is an arithmetic number, because the mean of its divisors is an integer number (21528756155).

Almost surely, 2^222232321400 is an apocalyptic number.

222232321400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222232321400 is an abundant number, since it is smaller than the sum of its proper divisors (294457826320).

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

222232321400 is a wasteful number, since it uses less digits than its factorization.

222232321400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111161623 (or 1111161614 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 222232321400 its reverse (4123232222), we get a palindrome (226355553622).

The spelling of 222232321400 in words is "two hundred twenty-two billion, two hundred thirty-two million, three hundred twenty-one thousand, four hundred".