2230140 has 96 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 518400.

The previous prime is 2230139. The next prime is 2230147. The reversal of 2230140 is 410322.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20406 + ... + 20514.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2^2230140 is an apocalyptic number.

2230140 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 2230140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3548160).

2230140 is an abundant number, since it is smaller than the sum of its proper divisors (4866180).

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

2230140 is a wasteful number, since it uses less digits than its factorization.

2230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2230140 is about 1493.3653270382. The cubic root of 2230140 is about 130.6503895917.

Adding to 2230140 its reverse (410322), we get a palindrome (2640462).

The spelling of 2230140 in words is "two million, two hundred thirty thousand, one hundred forty".