2206340 has 24 divisors (see below), whose sum is σ = 4681152. Its totient is φ = 873440.

The previous prime is 2206331. The next prime is 2206357. The reversal of 2206340 is 436022.

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, 1625 + ... + 2655.

It is an arithmetic number, because the mean of its divisors is an integer number (195048).

2^2206340 is an apocalyptic number.

2206340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206340 is an abundant number, since it is smaller than the sum of its proper divisors (2474812).

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

2206340 is a wasteful number, since it uses less digits than its factorization.

2206340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2206340 is about 1485.3753734326. The cubic root of 2206340 is about 130.1839604656.

The spelling of 2206340 in words is "two million, two hundred six thousand, three hundred forty".