2274390 has 48 divisors (see below), whose sum is σ = 6082128. Its totient is φ = 589248.

The previous prime is 2274367. The next prime is 2274407. The reversal of 2274390 is 934722.

2274390 is a `hidden beast` number, since 2 + 274 + 390 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2989 + ... + 3671.

It is an arithmetic number, because the mean of its divisors is an integer number (126711).

2^2274390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2274390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3041064).

2274390 is an abundant number, since it is smaller than the sum of its proper divisors (3807738).

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

2274390 is a wasteful number, since it uses less digits than its factorization.

2274390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2274390 is about 1508.1080863121. The cubic root of 2274390 is about 131.5088497083.

The spelling of 2274390 in words is "two million, two hundred seventy-four thousand, three hundred ninety".