2209371 has 8 divisors (see below), whose sum is σ = 3119184. Its totient is φ = 1386240.

The previous prime is 2209343. The next prime is 2209409. The reversal of 2209371 is 1739022.

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

It is not a de Polignac number, because 2209371 - 2¹¹ = 2207323 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2209331) 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, 21610 + ... + 21711.

It is an arithmetic number, because the mean of its divisors is an integer number (389898).

2^2209371 is an apocalyptic number.

2209371 is a deficient number, since it is larger than the sum of its proper divisors (909813).

2209371 is a wasteful number, since it uses less digits than its factorization.

2209371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43341.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2209371 is about 1486.3953040830. The cubic root of 2209371 is about 130.2435473881.

It can be divided in two parts, 220 and 9371, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 2209371 in words is "two million, two hundred nine thousand, three hundred seventy-one".