1223402242 has 8 divisors (see below), whose sum is σ = 1835315856. Its totient is φ = 611630292.

The previous prime is 1223402237. The next prime is 1223402273. The reversal of 1223402242 is 2422043221.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10248 + ... + 50515.

It is an arithmetic number, because the mean of its divisors is an integer number (229414482).

Almost surely, 2^1223402242 is an apocalyptic number.

1223402242 is a deficient number, since it is larger than the sum of its proper divisors (611913614).

1223402242 is a wasteful number, since it uses less digits than its factorization.

1223402242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70832.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1223402242 is about 34977.1674382017. The cubic root of 1223402242 is about 1069.5220860452.

Adding to 1223402242 its reverse (2422043221), we get a palindrome (3645445463).

The spelling of 1223402242 in words is "one billion, two hundred twenty-three million, four hundred two thousand, two hundred forty-two".