2206831 has 8 divisors (see below), whose sum is σ = 2534400. Its totient is φ = 1900440.

The previous prime is 2206829. The next prime is 2206843. The reversal of 2206831 is 1386022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2206831 - 2¹ = 2206829 is a prime.

It is a super-2 number, since 2×2206831² = 9740206125122, which contains 22 as substring.

2206831 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206811) 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, 5071 + ... + 5488.

It is an arithmetic number, because the mean of its divisors is an integer number (316800).

2^2206831 is an apocalyptic number.

2206831 is a deficient number, since it is larger than the sum of its proper divisors (327569).

2206831 is a wasteful number, since it uses less digits than its factorization.

2206831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10589.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2206831 is about 1485.5406423252. The cubic root of 2206831 is about 130.1936168171.

The spelling of 2206831 in words is "two million, two hundred six thousand, eight hundred thirty-one".