2201237 has 4 divisors (see below), whose sum is σ = 2226060. Its totient is φ = 2176416.

The previous prime is 2201209. The next prime is 2201273. The reversal of 2201237 is 7321022.

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 244036 + 1957201 = 494^2 + 1399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201237 - 2⁸ = 2200981 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 (2201137) 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, 12278 + ... + 12455.

It is an arithmetic number, because the mean of its divisors is an integer number (556515).

2^2201237 is an apocalyptic number.

It is an amenable number.

2201237 is a deficient number, since it is larger than the sum of its proper divisors (24823).

2201237 is an equidigital number, since it uses as much as digits as its factorization.

2201237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24822.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2201237 is about 1483.6566314346. The cubic root of 2201237 is about 130.0835163545.

Adding to 2201237 its reverse (7321022), we get a palindrome (9522259).

The spelling of 2201237 in words is "two million, two hundred one thousand, two hundred thirty-seven".