2297121 has 4 divisors (see below), whose sum is σ = 3062832. Its totient is φ = 1531412.

The previous prime is 2297101. The next prime is 2297137. The reversal of 2297121 is 1217922.

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 a cyclic number.

It is not a de Polignac number, because 2297121 - 2¹⁰ = 2296097 is a prime.

It is a D-number.

2297121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2297091 and 2297100.

It is not an unprimeable number, because it can be changed into a prime (2297101) 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, 382851 + ... + 382856.

It is an arithmetic number, because the mean of its divisors is an integer number (765708).

2^2297121 is an apocalyptic number.

It is an amenable number.

2297121 is a deficient number, since it is larger than the sum of its proper divisors (765711).

2297121 is an equidigital number, since it uses as much as digits as its factorization.

2297121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765710.

The product of its digits is 504, while the sum is 24.

The square root of 2297121 is about 1515.6256134019. The cubic root of 2297121 is about 131.9455124058.

The spelling of 2297121 in words is "two million, two hundred ninety-seven thousand, one hundred twenty-one".