2287236 has 48 divisors (see below), whose sum is σ = 6199424. Its totient is φ = 642816.

The previous prime is 2287223. The next prime is 2287237. The reversal of 2287236 is 6327822.

It is a d-powerful number, because it can be written as 2² + 2¹⁷ + 8⁴ + 7⁷ + 2²⁰ + 3² + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (2287237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5946 + ... + 6318.

2^2287236 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 2287236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3099712).

2287236 is an abundant number, since it is smaller than the sum of its proper divisors (3912188).

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

2287236 is a wasteful number, since it uses less digits than its factorization.

2287236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 458 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 2287236 is about 1512.3610679993. The cubic root of 2287236 is about 131.7559770785.

The spelling of 2287236 in words is "two million, two hundred eighty-seven thousand, two hundred thirty-six".