1224330402 has 16 divisors (see below), whose sum is σ = 2459450592. Its totient is φ = 406311840.

The previous prime is 1224330389. The next prime is 1224330403. The reversal of 1224330402 is 2040334221.

It is a super-2 number, since 2×1224330402² = 2997969866522963208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1224330403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448099 + ... + 450822.

It is an arithmetic number, because the mean of its divisors is an integer number (153715662).

Almost surely, 2^1224330402 is an apocalyptic number.

1224330402 is an abundant number, since it is smaller than the sum of its proper divisors (1235120190).

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

1224330402 is a wasteful number, since it uses less digits than its factorization.

1224330402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899153.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1224330402 is about 34990.4330067520. The cubic root of 1224330402 is about 1069.7924895288.

Adding to 1224330402 its reverse (2040334221), we get a palindrome (3264664623).

The spelling of 1224330402 in words is "one billion, two hundred twenty-four million, three hundred thirty thousand, four hundred two".