2236320 has 72 divisors (see below), whose sum is σ = 7636356. Its totient is φ = 595968.

The previous prime is 2236279. The next prime is 2236327. The reversal of 2236320 is 236322.

It can be written as a sum of positive squares in 2 ways, for example, as 2039184 + 197136 = 1428^2 + 444^2 .

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

It is a super-2 number, since 2×2236320² = 10002254284800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2236293 and 2236302.

It is not an unprimeable number, because it can be changed into a prime (2236327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664 + ... + 2216.

2^2236320 is an apocalyptic number.

2236320 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 2236320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3818178).

2236320 is an abundant number, since it is smaller than the sum of its proper divisors (5400036).

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

2236320 is a wasteful number, since it uses less digits than its factorization.

2236320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1563 counting only the distinct ones).

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

The square root of 2236320 is about 1495.4330476487. The cubic root of 2236320 is about 130.7709612050.

It can be divided in two parts, 2236 and 320, that added together give a triangular number (2556 = T₇₁).

The spelling of 2236320 in words is "two million, two hundred thirty-six thousand, three hundred twenty".