1223414642 has 8 divisors (see below), whose sum is σ = 1837741932. Its totient is φ = 610834000.

The previous prime is 1223414623. The next prime is 1223414651. The reversal of 1223414642 is 2464143221.

It can be written as a sum of positive squares in 2 ways, for example, as 1065434881 + 157979761 = 32641^2 + 12569^2 .

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

It is an unprimeable number.

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, 434909 + ... + 437712.

Almost surely, 2^1223414642 is an apocalyptic number.

1223414642 is a deficient number, since it is larger than the sum of its proper divisors (614327290).

1223414642 is an equidigital number, since it uses as much as digits as its factorization.

1223414642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873324.

The product of its digits is 9216, while the sum is 29.

The square root of 1223414642 is about 34977.3446962459. The cubic root of 1223414642 is about 1069.5256994736.

Adding to 1223414642 its reverse (2464143221), we get a palindrome (3687557863).

The spelling of 1223414642 in words is "one billion, two hundred twenty-three million, four hundred fourteen thousand, six hundred forty-two".