1223572330 has 8 divisors (see below), whose sum is σ = 2202430212. Its totient is φ = 489428928.

The previous prime is 1223572309. The next prime is 1223572333. The reversal of 1223572330 is 332753221.

It can be written as a sum of positive squares in 2 ways, for example, as 1050991561 + 172580769 = 32419^2 + 13137^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1223572333) 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 3 ways as a sum of consecutive naturals, for example, 61178607 + ... + 61178626.

Almost surely, 2^1223572330 is an apocalyptic number.

1223572330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223572330 is a deficient number, since it is larger than the sum of its proper divisors (978857882).

1223572330 is a wasteful number, since it uses less digits than its factorization.

1223572330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122357240.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 1223572330 is about 34979.5987684250. The cubic root of 1223572330 is about 1069.5716484967.

The spelling of 1223572330 in words is "one billion, two hundred twenty-three million, five hundred seventy-two thousand, three hundred thirty".