1222203250 has 16 divisors (see below), whose sum is σ = 2287964952. Its totient is φ = 488881200.

The previous prime is 1222203223. The next prime is 1222203251. The reversal of 1222203250 is 523022221.

It can be written as a sum of positive squares in 4 ways, for example, as 304537401 + 917665849 = 17451^2 + 30293^2 .

It is not an unprimeable number, because it can be changed into a prime (1222203251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2444157 + ... + 2444656.

Almost surely, 2^1222203250 is an apocalyptic number.

1222203250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222203250 is a deficient number, since it is larger than the sum of its proper divisors (1065761702).

1222203250 is an equidigital number, since it uses as much as digits as its factorization.

1222203250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888830 (or 4888820 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1222203250 is about 34960.0235983902. The cubic root of 1222203250 is about 1069.1725777832.

Adding to 1222203250 its reverse (523022221), we get a palindrome (1745225471).

The spelling of 1222203250 in words is "one billion, two hundred twenty-two million, two hundred three thousand, two hundred fifty".