2206349 has 4 divisors (see below), whose sum is σ = 2282460. Its totient is φ = 2130240.

The previous prime is 2206331. The next prime is 2206357. The reversal of 2206349 is 9436022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 469225 + 1737124 = 685^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 2206349 - 2⁸ = 2206093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38012 + ... + 38069.

It is an arithmetic number, because the mean of its divisors is an integer number (570615).

2^2206349 is an apocalyptic number.

2206349 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2206349 is a deficient number, since it is larger than the sum of its proper divisors (76111).

2206349 is an equidigital number, since it uses as much as digits as its factorization.

2206349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76110.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2206349 is about 1485.3784029667. The cubic root of 2206349 is about 130.1841374789.

The spelling of 2206349 in words is "two million, two hundred six thousand, three hundred forty-nine".