1222131043 has 8 divisors (see below), whose sum is σ = 1398036320. Its totient is φ = 1046554560.

The previous prime is 1222131017. The next prime is 1222131077. The reversal of 1222131043 is 3401312221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1222131043 - 2⁹ = 1222130531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222131043.

It is not an unprimeable number, because it can be changed into a prime (1222131943) 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, 74178 + ... + 89143.

It is an arithmetic number, because the mean of its divisors is an integer number (174754540).

Almost surely, 2^1222131043 is an apocalyptic number.

1222131043 is a deficient number, since it is larger than the sum of its proper divisors (175905277).

1222131043 is a wasteful number, since it uses less digits than its factorization.

1222131043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164397.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1222131043 is about 34958.9908750238. The cubic root of 1222131043 is about 1069.1515220206.

Adding to 1222131043 its reverse (3401312221), we get a palindrome (4623443264).

It can be divided in two parts, 122213 and 1043, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 1222131043 in words is "one billion, two hundred twenty-two million, one hundred thirty-one thousand, forty-three".