222334400 has 42 divisors (see below), whose sum is σ = 547085520. Its totient is φ = 88933120.

The previous prime is 222334339. The next prime is 222334403. The reversal of 222334400 is 4433222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222334403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67880 + ... + 71079.

Almost surely, 2^222334400 is an apocalyptic number.

222334400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222334400 is an abundant number, since it is smaller than the sum of its proper divisors (324751120).

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

222334400 is a wasteful number, since it uses less digits than its factorization.

222334400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138981 (or 138966 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 222334400 is about 14910.8819323338. The cubic root of 222334400 is about 605.8087674074.

Adding to 222334400 its reverse (4433222), we get a palindrome (226767622).

The spelling of 222334400 in words is "two hundred twenty-two million, three hundred thirty-four thousand, four hundred".