1223231242 has 8 divisors (see below), whose sum is σ = 1835997732. Its totient is φ = 611232000.

The previous prime is 1223231221. The next prime is 1223231257. The reversal of 1223231242 is 2421323221.

It can be written as a sum of positive squares in 2 ways, for example, as 1068701481 + 154529761 = 32691^2 + 12431^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187809 + ... + 194212.

Almost surely, 2^1223231242 is an apocalyptic number.

1223231242 is a deficient number, since it is larger than the sum of its proper divisors (612766490).

1223231242 is a wasteful number, since it uses less digits than its factorization.

1223231242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383624.

The product of its digits is 1152, while the sum is 22.

The square root of 1223231242 is about 34974.7229009752. The cubic root of 1223231242 is about 1069.4722532124.

Adding to 1223231242 its reverse (2421323221), we get a palindrome (3644554463).

The spelling of 1223231242 in words is "one billion, two hundred twenty-three million, two hundred thirty-one thousand, two hundred forty-two".