222205250 has 32 divisors (see below), whose sum is σ = 430326000. Its totient is φ = 85814400.

The previous prime is 222205229. The next prime is 222205253. The reversal of 222205250 is 52502222.

It is a happy number.

222205250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3845521 + 218359729 = 1961^2 + 14777^2 .

It is not an unprimeable number, because it can be changed into a prime (222205253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8075 + ... + 22574.

Almost surely, 2^222205250 is an apocalyptic number.

222205250 is a deficient number, since it is larger than the sum of its proper divisors (208120750).

222205250 is a wasteful number, since it uses less digits than its factorization.

222205250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30695 (or 30685 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 222205250 is about 14906.5505734895. The cubic root of 222205250 is about 605.6914435975.

Adding to 222205250 its reverse (52502222), we get a palindrome (274707472).

The spelling of 222205250 in words is "two hundred twenty-two million, two hundred five thousand, two hundred fifty".