1224004342 has 16 divisors (see below), whose sum is σ = 2015679312. Its totient is φ = 552820320.

The previous prime is 1224004337. The next prime is 1224004343. The reversal of 1224004342 is 2434004221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224004343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173733 + ... + 180640.

It is an arithmetic number, because the mean of its divisors is an integer number (125979957).

Almost surely, 2^1224004342 is an apocalyptic number.

1224004342 is a deficient number, since it is larger than the sum of its proper divisors (791674970).

1224004342 is a wasteful number, since it uses less digits than its factorization.

1224004342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354543.

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

The square root of 1224004342 is about 34985.7734229215. The cubic root of 1224004342 is about 1069.6975131214.

Adding to 1224004342 its reverse (2434004221), we get a palindrome (3658008563).

The spelling of 1224004342 in words is "one billion, two hundred twenty-four million, four thousand, three hundred forty-two".