1222332530 has 16 divisors (see below), whose sum is σ = 2203775640. Its totient is φ = 488138112.

The previous prime is 1222332509. The next prime is 1222332533. The reversal of 1222332530 is 352332221.

It can be written as a sum of positive squares in 4 ways, for example, as 431766841 + 790565689 = 20779^2 + 28117^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1222332496 and 1222332505.

It is not an unprimeable number, because it can be changed into a prime (1222332533) 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, 92885 + ... + 105224.

Almost surely, 2^1222332530 is an apocalyptic number.

1222332530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222332530 is a deficient number, since it is larger than the sum of its proper divisors (981443110).

1222332530 is a wasteful number, since it uses less digits than its factorization.

1222332530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198733.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1222332530 is about 34961.8725185022. The cubic root of 1222332530 is about 1069.2102741205.

Adding to 1222332530 its reverse (352332221), we get a palindrome (1574664751).

The spelling of 1222332530 in words is "one billion, two hundred twenty-two million, three hundred thirty-two thousand, five hundred thirty".