2236920 has 64 divisors (see below), whose sum is σ = 7672320. Its totient is φ = 511104.

The previous prime is 2236907. The next prime is 2236921. The reversal of 2236920 is 296322.

2236920 = T₂₁₇ + T₂₁₈ + ... + T₂₈₆.

2236920 = 46² + 47² + ... + 189².

It is a super-2 number, since 2×2236920² = 10007622172800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁷ + 3⁸ + 6 + 9² + 2²¹ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236921) 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, 492 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (119880).

2^2236920 is an apocalyptic number.

2236920 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 2236920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3836160).

2236920 is an abundant number, since it is smaller than the sum of its proper divisors (5435400).

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

2236920 is a wasteful number, since it uses less digits than its factorization.

2236920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2236920 is about 1495.6336449813. The cubic root of 2236920 is about 130.7826553515.

The spelling of 2236920 in words is "two million, two hundred thirty-six thousand, nine hundred twenty".