1222304043 has 16 divisors (see below), whose sum is σ = 1687228416. Its totient is φ = 786600000.

The previous prime is 1222304021. The next prime is 1222304051. The reversal of 1222304043 is 3404032221.

It is not a de Polignac number, because 1222304043 - 2⁵ = 1222304011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222304243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49083 + ... + 69668.

It is an arithmetic number, because the mean of its divisors is an integer number (105451776).

Almost surely, 2^1222304043 is an apocalyptic number.

1222304043 is a deficient number, since it is larger than the sum of its proper divisors (464924373).

1222304043 is a wasteful number, since it uses less digits than its factorization.

1222304043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118874.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1222304043 is about 34961.4651151807. The cubic root of 1222304043 is about 1069.2019679166.

Adding to 1222304043 its reverse (3404032221), we get a palindrome (4626336264).

The spelling of 1222304043 in words is "one billion, two hundred twenty-two million, three hundred four thousand, forty-three".