1222307330 has 8 divisors (see below), whose sum is σ = 2200153212. Its totient is φ = 488922928.

The previous prime is 1222307291. The next prime is 1222307347. The reversal of 1222307330 is 337032221.

It can be written as a sum of positive squares in 2 ways, for example, as 1099784569 + 122522761 = 33163^2 + 11069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1222307296 and 1222307305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61115357 + ... + 61115376.

Almost surely, 2^1222307330 is an apocalyptic number.

1222307330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222307330 is a deficient number, since it is larger than the sum of its proper divisors (977845882).

1222307330 is a wasteful number, since it uses less digits than its factorization.

1222307330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122230740.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 1222307330 is about 34961.5121240486. The cubic root of 1222307330 is about 1069.2029263425.

Adding to 1222307330 its reverse (337032221), we get a palindrome (1559339551).

The spelling of 1222307330 in words is "one billion, two hundred twenty-two million, three hundred seven thousand, three hundred thirty".