1223412242 has 32 divisors (see below), whose sum is σ = 2202681600. Its totient is φ = 503463168.

The previous prime is 1223412233. The next prime is 1223412247. The reversal of 1223412242 is 2422143221.

It is not an unprimeable number, because it can be changed into a prime (1223412247) 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, 64442 + ... + 81237.

It is an arithmetic number, because the mean of its divisors is an integer number (68833800).

Almost surely, 2^1223412242 is an apocalyptic number.

1223412242 is a deficient number, since it is larger than the sum of its proper divisors (979269358).

1223412242 is a wasteful number, since it uses less digits than its factorization.

1223412242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145730.

The product of its digits is 1536, while the sum is 23.

The square root of 1223412242 is about 34977.3103883074. The cubic root of 1223412242 is about 1069.5250001023.

Adding to 1223412242 its reverse (2422143221), we get a palindrome (3645555463).

The spelling of 1223412242 in words is "one billion, two hundred twenty-three million, four hundred twelve thousand, two hundred forty-two".