222202400 has 72 divisors (see below), whose sum is σ = 619960320. Its totient is φ = 76181760.

The previous prime is 222202373. The next prime is 222202403. The reversal of 222202400 is 4202222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (222202403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14240 + ... + 25439.

It is an arithmetic number, because the mean of its divisors is an integer number (8610560).

Almost surely, 2^222202400 is an apocalyptic number.

222202400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202400 is an abundant number, since it is smaller than the sum of its proper divisors (397757920).

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

222202400 is a wasteful number, since it uses less digits than its factorization.

222202400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39706 (or 39693 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 222202400 is about 14906.4549776263. The cubic root of 222202400 is about 605.6888540578.

Adding to 222202400 its reverse (4202222), we get a palindrome (226404622).

The spelling of 222202400 in words is "two hundred twenty-two million, two hundred two thousand, four hundred".