2236281000 has 128 divisors (see below), whose sum is σ = 7344604800. Its totient is φ = 564940800.

The previous prime is 2236280983. The next prime is 2236281013. The reversal of 2236281000 is 1826322.

It is a super-2 number, since 2×2236281000² = 10001905421922000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37384 + ... + 76616.

It is an arithmetic number, because the mean of its divisors is an integer number (57379725).

Almost surely, 2^2236281000 is an apocalyptic number.

2236281000 is a gapful number since it is divisible by the number (20) 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 2236281000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3672302400).

2236281000 is an abundant number, since it is smaller than the sum of its proper divisors (5108323800).

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

2236281000 is a wasteful number, since it uses less digits than its factorization.

2236281000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39276 (or 39262 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2236281000 is about 47289.3328352177. The cubic root of 2236281000 is about 1307.7020101312.

The spelling of 2236281000 in words is "two billion, two hundred thirty-six million, two hundred eighty-one thousand".