2236520 has 128 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 675840.

The previous prime is 2236519. The next prime is 2236573. The reversal of 2236520 is 256322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a d-powerful number, because it can be written as 2⁴ + 2⁸ + 3⁹ + 6⁴ + 5⁹ + 2¹⁸ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2236492 and 2236501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97229 + ... + 97251.

It is an arithmetic number, because the mean of its divisors is an integer number (51030).

2^2236520 is an apocalyptic number.

2236520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is a pronic number, being equal to 1495×1496.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2236520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265920).

2236520 is an abundant number, since it is smaller than the sum of its proper divisors (4295320).

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

2236520 is a wasteful number, since it uses less digits than its factorization.

2236520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2236520 is about 1495.4999164159. The cubic root of 2236520 is about 130.7748594862.

The spelling of 2236520 in words is "two million, two hundred thirty-six thousand, five hundred twenty".