2268136224 has 72 divisors (see below), whose sum is σ = 6461664300. Its totient is φ = 754679808.

The previous prime is 2268136187. The next prime is 2268136249. The reversal of 2268136224 is 4226318622.

2268136224 is a `hidden beast` number, since 2 + 26 + 8 + 1 + 3 + 622 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2234263824 + 33872400 = 47268^2 + 5820^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159352 + ... + 173000.

Almost surely, 2^2268136224 is an apocalyptic number.

2268136224 is a gapful number since it is divisible by the number (24) 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 2268136224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3230832150).

2268136224 is an abundant number, since it is smaller than the sum of its proper divisors (4193528076).

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

2268136224 is a wasteful number, since it uses less digits than its factorization.

2268136224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14242 (or 14231 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 2268136224 is about 47624.9537952532. The cubic root of 2268136224 is about 1313.8820463610.

The spelling of 2268136224 in words is "two billion, two hundred sixty-eight million, one hundred thirty-six thousand, two hundred twenty-four".