222200144 has 20 divisors (see below), whose sum is σ = 432195924. Its totient is φ = 110665728.

The previous prime is 222200129. The next prime is 222200177. The reversal of 222200144 is 441002222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 215502400 + 6697744 = 14680^2 + 2588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22907 + ... + 31130.

Almost surely, 2^222200144 is an apocalyptic number.

It is an amenable number.

222200144 is a deficient number, since it is larger than the sum of its proper divisors (209995780).

222200144 is a wasteful number, since it uses less digits than its factorization.

222200144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54302 (or 54296 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222200144 is about 14906.3793055188. The cubic root of 222200144 is about 605.6868042169.

Adding to 222200144 its reverse (441002222), we get a palindrome (663202366).

The spelling of 222200144 in words is "two hundred twenty-two million, two hundred thousand, one hundred forty-four".