1232221315 has 8 divisors (see below), whose sum is σ = 1592409168. Its totient is φ = 909948000.

The previous prime is 1232221267. The next prime is 1232221349. The reversal of 1232221315 is 5131222321.

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

It is a de Polignac number, because none of the positive numbers 2^k-1232221315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9478561 + ... + 9478690.

It is an arithmetic number, because the mean of its divisors is an integer number (199051146).

Almost surely, 2^1232221315 is an apocalyptic number.

1232221315 is a deficient number, since it is larger than the sum of its proper divisors (360187853).

1232221315 is a wasteful number, since it uses less digits than its factorization.

1232221315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18957269.

The product of its digits is 720, while the sum is 22.

The square root of 1232221315 is about 35103.0100561191. The cubic root of 1232221315 is about 1072.0858705787.

Adding to 1232221315 its reverse (5131222321), we get a palindrome (6363443636).

The spelling of 1232221315 in words is "one billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred fifteen".