2282140 has 24 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 782400.

The previous prime is 2282099. The next prime is 2282141. The reversal of 2282140 is 412822.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2282141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8011 + ... + 8290.

It is an arithmetic number, because the mean of its divisors is an integer number (228228).

2^2282140 is an apocalyptic number.

2282140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2282140 is an abundant number, since it is smaller than the sum of its proper divisors (3195332).

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

2282140 is a wasteful number, since it uses less digits than its factorization.

2282140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317 (or 16315 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2282140 is about 1510.6753456650. The cubic root of 2282140 is about 131.6580528111.

Adding to 2282140 its reverse (412822), we get a palindrome (2694962).

The spelling of 2282140 in words is "two million, two hundred eighty-two thousand, one hundred forty".