2230236 has 36 divisors (see below), whose sum is σ = 5778864. Its totient is φ = 724800.

The previous prime is 2230219. The next prime is 2230243. The reversal of 2230236 is 6320322.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 721 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (160524).

2^2230236 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 2230236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889432).

2230236 is an abundant number, since it is smaller than the sum of its proper divisors (3548628).

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

2230236 is a wasteful number, since it uses less digits than its factorization.

2230236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2230236 is about 1493.3974688609. The cubic root of 2230236 is about 130.6522642509.

Adding to 2230236 its reverse (6320322), we get a palindrome (8550558).

The spelling of 2230236 in words is "two million, two hundred thirty thousand, two hundred thirty-six".