2266390 has 16 divisors (see below), whose sum is σ = 4662432. Its totient is φ = 777024.

The previous prime is 2266343. The next prime is 2266403. The reversal of 2266390 is 936622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16119 + ... + 16258.

It is an arithmetic number, because the mean of its divisors is an integer number (291402).

2^2266390 is an apocalyptic number.

2266390 is an abundant number, since it is smaller than the sum of its proper divisors (2396042).

2266390 is a wasteful number, since it uses less digits than its factorization.

2266390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32391.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2266390 is about 1505.4534200698. The cubic root of 2266390 is about 131.3544776582.

The spelling of 2266390 in words is "two million, two hundred sixty-six thousand, three hundred ninety".