2274840 has 96 divisors (see below), whose sum is σ = 7581600. Its totient is φ = 591360.

The previous prime is 2274827. The next prime is 2274841. The reversal of 2274840 is 484722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25516 + ... + 25604.

It is an arithmetic number, because the mean of its divisors is an integer number (78975).

2^2274840 is an apocalyptic number.

2274840 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 2274840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3790800).

2274840 is an abundant number, since it is smaller than the sum of its proper divisors (5306760).

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

2274840 is a wasteful number, since it uses less digits than its factorization.

2274840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2274840 is about 1508.2572724837. The cubic root of 2274840 is about 131.5175223750.

The spelling of 2274840 in words is "two million, two hundred seventy-four thousand, eight hundred forty".