2236965 has 32 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 1099584.

The previous prime is 2236951. The next prime is 2236981. The reversal of 2236965 is 5696322.

2236965 = 111² + 112² + ... + 200².

It is not a de Polignac number, because 2236965 - 2⁶ = 2236901 is a prime.

It is a super-2 number, since 2×2236965² = 10008024822450, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁹ + 3⁵ + 6² + 9 + 6⁸ + 5 .

2236965 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13312 + ... + 13478.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^2236965 is an apocalyptic number.

It is an amenable number.

2236965 is a deficient number, since it is larger than the sum of its proper divisors (1633755).

2236965 is a wasteful number, since it uses less digits than its factorization.

2236965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241.

The product of its digits is 19440, while the sum is 33.

The square root of 2236965 is about 1495.6486886966. The cubic root of 2236965 is about 130.7835323281.

The spelling of 2236965 in words is "two million, two hundred thirty-six thousand, nine hundred sixty-five".