222201250 has 20 divisors (see below), whose sum is σ = 416496366. Its totient is φ = 88880000.

The previous prime is 222201247. The next prime is 222201299. The reversal of 222201250 is 52102222.

222201250 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 5 ways, for example, as 5022081 + 217179169 = 2241^2 + 14737^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 87631 + ... + 90130.

Almost surely, 2^222201250 is an apocalyptic number.

222201250 is a deficient number, since it is larger than the sum of its proper divisors (194295116).

222201250 is an equidigital number, since it uses as much as digits as its factorization.

222201250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177783 (or 177768 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 222201250 is about 14906.4164036833. The cubic root of 222201250 is about 605.6878091495.

Adding to 222201250 its reverse (52102222), we get a palindrome (274303472).

The spelling of 222201250 in words is "two hundred twenty-two million, two hundred one thousand, two hundred fifty".