1224803888 has 80 divisors (see below), whose sum is σ = 2981594880. Its totient is φ = 473491200.

The previous prime is 1224803869. The next prime is 1224803903. The reversal of 1224803888 is 8883084221.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157598 + ... + 165186.

It is an arithmetic number, because the mean of its divisors is an integer number (37269936).

Almost surely, 2^1224803888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224803888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490797440).

1224803888 is an abundant number, since it is smaller than the sum of its proper divisors (1756790992).

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

1224803888 is a wasteful number, since it uses less digits than its factorization.

1224803888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7746 (or 7740 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 1224803888 is about 34997.1982878630. The cubic root of 1224803888 is about 1069.9303789097.

The spelling of 1224803888 in words is "one billion, two hundred twenty-four million, eight hundred three thousand, eight hundred eighty-eight".