2239001856 has 432 divisors, whose sum is σ = 8124654720. Its totient is φ = 577290240.

The previous prime is 2239001777. The next prime is 2239001879. The reversal of 2239001856 is 6581009322.

It is a super-2 number, since 2×2239001856² = 10026258622342889472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2239001856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12370086 + ... + 12370266.

Almost surely, 2^2239001856 is an apocalyptic number.

2239001856 is a gapful number since it is divisible by the number (26) 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 2239001856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4062327360).

2239001856 is an abundant number, since it is smaller than the sum of its proper divisors (5885652864).

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

2239001856 is a wasteful number, since it uses less digits than its factorization.

2239001856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2239001856 is about 47318.0922692367. The cubic root of 2239001856 is about 1308.2321502485.

The spelling of 2239001856 in words is "two billion, two hundred thirty-nine million, one thousand, eight hundred fifty-six".