1222332243 has 16 divisors (see below), whose sum is σ = 1815768576. Its totient is φ = 725044640.

The previous prime is 1222332239. The next prime is 1222332247. The reversal of 1222332243 is 3422332221.

It is an interprime number because it is at equal distance from previous prime (1222332239) and next prime (1222332247).

It is a cyclic number.

It is not a de Polignac number, because 1222332243 - 2² = 1222332239 is a prime.

It is a super-2 number, since 2×1222332243² = 2988192224554822098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222332247) 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 15 ways as a sum of consecutive naturals, for example, 392496 + ... + 395597.

It is an arithmetic number, because the mean of its divisors is an integer number (113485536).

Almost surely, 2^1222332243 is an apocalyptic number.

1222332243 is a deficient number, since it is larger than the sum of its proper divisors (593436333).

1222332243 is a wasteful number, since it uses less digits than its factorization.

1222332243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788154.

The product of its digits is 3456, while the sum is 24.

The square root of 1222332243 is about 34961.8684140307. The cubic root of 1222332243 is about 1069.2101904380.

Adding to 1222332243 its reverse (3422332221), we get a palindrome (4644664464).

The spelling of 1222332243 in words is "one billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred forty-three".