1224885888 has 320 divisors, whose sum is σ = 3902046720. Its totient is φ = 380712960.

The previous prime is 1224885841. The next prime is 1224885913. The reversal of 1224885888 is 8885884221.

1224885888 is a `hidden beast` number, since 12 + 2 + 48 + 8 + 588 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11892045 + ... + 11892147.

It is an arithmetic number, because the mean of its divisors is an integer number (12193896).

Almost surely, 2^1224885888 is an apocalyptic number.

1224885888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224885888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1951023360).

1224885888 is an abundant number, since it is smaller than the sum of its proper divisors (2677160832).

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

1224885888 is a wasteful number, since it uses less digits than its factorization.

1224885888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 176 counting only the distinct ones).

The product of its digits is 2621440, while the sum is 54.

The square root of 1224885888 is about 34998.3697906060. The cubic root of 1224885888 is about 1069.9542554759.

The spelling of 1224885888 in words is "one billion, two hundred twenty-four million, eight hundred eighty-five thousand, eight hundred eighty-eight".