1222344458 has 8 divisors (see below), whose sum is σ = 1833890628. Its totient is φ = 611047584.

The previous prime is 1222344457. The next prime is 1222344467. The reversal of 1222344458 is 8544432221.

It can be written as a sum of positive squares in 2 ways, for example, as 1069747849 + 152596609 = 32707^2 + 12353^2 .

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

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1222344457) 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, 49541 + ... + 69992.

Almost surely, 2^1222344458 is an apocalyptic number.

1222344458 is a deficient number, since it is larger than the sum of its proper divisors (611546170).

1222344458 is a wasteful number, since it uses less digits than its factorization.

1222344458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124648.

The product of its digits is 61440, while the sum is 35.

The square root of 1222344458 is about 34962.0431039149. The cubic root of 1222344458 is about 1069.2137520335.

Adding to 1222344458 its reverse (8544432221), we get a palindrome (9766776679).

The spelling of 1222344458 in words is "one billion, two hundred twenty-two million, three hundred forty-four thousand, four hundred fifty-eight".