2236162240 has 112 divisors (see below), whose sum is σ = 5856988032. Its totient is φ = 808022016.

The previous prime is 2236162237. The next prime is 2236162249. The reversal of 2236162240 is 422616322.

It is a junction number, because it is equal to n+sod(n) for n = 2236162199 and 2236162208.

It is not an unprimeable number, because it can be changed into a prime (2236162249) 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, 189802 + ... + 201238.

It is an arithmetic number, because the mean of its divisors is an integer number (52294536).

Almost surely, 2^2236162240 is an apocalyptic number.

2236162240 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 2236162240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928494016).

2236162240 is an abundant number, since it is smaller than the sum of its proper divisors (3620825792).

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

2236162240 is a wasteful number, since it uses less digits than its factorization.

2236162240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11514 (or 11504 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2236162240 is about 47288.0771442443. The cubic root of 2236162240 is about 1307.6788607685.

Adding to 2236162240 its reverse (422616322), we get a palindrome (2658778562).

The spelling of 2236162240 in words is "two billion, two hundred thirty-six million, one hundred sixty-two thousand, two hundred forty".