1224020002 has 8 divisors (see below), whose sum is σ = 1837377216. Its totient is φ = 611560932.

The previous prime is 1224019999. The next prime is 1224020029. The reversal of 1224020002 is 2000204221.

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

It is a super-3 number, since 3×1224020002³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221118 + ... + 226585.

It is an arithmetic number, because the mean of its divisors is an integer number (229672152).

Almost surely, 2^1224020002 is an apocalyptic number.

1224020002 is a deficient number, since it is larger than the sum of its proper divisors (613357214).

1224020002 is a wasteful number, since it uses less digits than its factorization.

1224020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449072.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1224020002 is about 34985.9972274623. The cubic root of 1224020002 is about 1069.7020750310.

Adding to 1224020002 its reverse (2000204221), we get a palindrome (3224224223).

The spelling of 1224020002 in words is "one billion, two hundred twenty-four million, twenty thousand, two".