2196237 has 4 divisors (see below), whose sum is σ = 2928320. Its totient is φ = 1464156.

The previous prime is 2196221. The next prime is 2196239. The reversal of 2196237 is 7326912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2196237 - 2⁴ = 2196221 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196239) 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, 366037 + ... + 366042.

It is an arithmetic number, because the mean of its divisors is an integer number (732080).

2^2196237 is an apocalyptic number.

It is an amenable number.

2196237 is a deficient number, since it is larger than the sum of its proper divisors (732083).

2196237 is an equidigital number, since it uses as much as digits as its factorization.

2196237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732082.

The product of its digits is 4536, while the sum is 30.

The square root of 2196237 is about 1481.9706474826. The cubic root of 2196237 is about 129.9849489478.

The spelling of 2196237 in words is "two million, one hundred ninety-six thousand, two hundred thirty-seven".