1224402888 has 16 divisors (see below), whose sum is σ = 3061007280. Its totient is φ = 408134288.

The previous prime is 1224402863. The next prime is 1224402899. The reversal of 1224402888 is 8882044221.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25508370 + ... + 25508417.

It is an arithmetic number, because the mean of its divisors is an integer number (191312955).

Almost surely, 2^1224402888 is an apocalyptic number.

It is an amenable number.

1224402888 is an abundant number, since it is smaller than the sum of its proper divisors (1836604392).

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

1224402888 is a wasteful number, since it uses less digits than its factorization.

1224402888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51016796 (or 51016792 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 39.

The square root of 1224402888 is about 34991.4687888348. The cubic root of 1224402888 is about 1069.8136013267.

The spelling of 1224402888 in words is "one billion, two hundred twenty-four million, four hundred two thousand, eight hundred eighty-eight".