1223204442 has 8 divisors (see below), whose sum is σ = 2446408896. Its totient is φ = 407734812.

The previous prime is 1223204441. The next prime is 1223204443. The reversal of 1223204442 is 2444023221.

It is an interprime number because it is at equal distance from previous prime (1223204441) and next prime (1223204443).

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

1223204442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1223204441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101933698 + ... + 101933709.

It is an arithmetic number, because the mean of its divisors is an integer number (305801112).

Almost surely, 2^1223204442 is an apocalyptic number.

1223204442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223204442 is a wasteful number, since it uses less digits than its factorization.

1223204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203867412.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1223204442 is about 34974.3397650334. The cubic root of 1223204442 is about 1069.4644427334.

Adding to 1223204442 its reverse (2444023221), we get a palindrome (3667227663).

The spelling of 1223204442 in words is "one billion, two hundred twenty-three million, two hundred four thousand, four hundred forty-two".