1222203330 has 40 divisors (see below), whose sum is σ = 3286371132. Its totient is φ = 325920672.

The previous prime is 1222203251. The next prime is 1222203341. The reversal of 1222203330 is 333022221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1132389801 + 89813529 = 33651^2 + 9477^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 753637 + ... + 755256.

Almost surely, 2^1222203330 is an apocalyptic number.

1222203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222203330 is an abundant number, since it is smaller than the sum of its proper divisors (2064167802).

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

1222203330 is a wasteful number, since it uses less digits than its factorization.

1222203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508912 (or 1508903 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1222203330 is about 34960.0247425542. The cubic root of 1222203330 is about 1069.1726011110.

Adding to 1222203330 its reverse (333022221), we get a palindrome (1555225551).

The spelling of 1222203330 in words is "one billion, two hundred twenty-two million, two hundred three thousand, three hundred thirty".