2231395 has 4 divisors (see below), whose sum is σ = 2677680. Its totient is φ = 1785112.

The previous prime is 2231389. The next prime is 2231407. The reversal of 2231395 is 5931322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2231395 - 2¹⁹ = 1707107 is a prime.

It is a super-3 number, since 3×2231395³ = 33331174824365864625, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 3² + 1 + 3³ + 9 + 5⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223135 + ... + 223144.

It is an arithmetic number, because the mean of its divisors is an integer number (669420).

2^2231395 is an apocalyptic number.

2231395 is a deficient number, since it is larger than the sum of its proper divisors (446285).

2231395 is an equidigital number, since it uses as much as digits as its factorization.

2231395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446284.

The product of its digits is 1620, while the sum is 25.

The square root of 2231395 is about 1493.7854598302. The cubic root of 2231395 is about 130.6748926112.

The spelling of 2231395 in words is "two million, two hundred thirty-one thousand, three hundred ninety-five".