1222302330 has 24 divisors (see below), whose sum is σ = 3177986292. Its totient is φ = 325947264.

The previous prime is 1222302311. The next prime is 1222302331. The reversal of 1222302330 is 332032221.

It is a happy number.

1222302330 is a `hidden beast` number, since 12 + 22 + 302 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1209578841 + 12723489 = 34779^2 + 3567^2 .

It is a super-3 number, since 3×1222302330³ (a number of 28 digits) contains 333 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222302331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6790479 + ... + 6790658.

Almost surely, 2^1222302330 is an apocalyptic number.

1222302330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222302330 is an abundant number, since it is smaller than the sum of its proper divisors (1955683962).

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

1222302330 is a wasteful number, since it uses less digits than its factorization.

1222302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13581150 (or 13581147 counting only the distinct ones).

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

The square root of 1222302330 is about 34961.4406167709. The cubic root of 1222302330 is about 1069.2014684380.

Adding to 1222302330 its reverse (332032221), we get a palindrome (1554334551).

The spelling of 1222302330 in words is "one billion, two hundred twenty-two million, three hundred two thousand, three hundred thirty".