1224420342 has 32 divisors (see below), whose sum is σ = 2594827872. Its totient is φ = 383844864.

The previous prime is 1224420311. The next prime is 1224420349. The reversal of 1224420342 is 2430244221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224420349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163308 + ... + 170640.

It is an arithmetic number, because the mean of its divisors is an integer number (81088371).

Almost surely, 2^1224420342 is an apocalyptic number.

1224420342 is an abundant number, since it is smaller than the sum of its proper divisors (1370407530).

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

1224420342 is a wasteful number, since it uses less digits than its factorization.

1224420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8992.

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

The square root of 1224420342 is about 34991.7181915950. The cubic root of 1224420342 is about 1069.8186847400.

Adding to 1224420342 its reverse (2430244221), we get a palindrome (3654664563).

The spelling of 1224420342 in words is "one billion, two hundred twenty-four million, four hundred twenty thousand, three hundred forty-two".