2231353 has 4 divisors (see below), whose sum is σ = 2273508. Its totient is φ = 2189200.

The previous prime is 2231351. The next prime is 2231357. The reversal of 2231353 is 3531322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3531322 = 2 ⋅1765661.

It can be written as a sum of positive squares in 2 ways, for example, as 1671849 + 559504 = 1293^2 + 748^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231353 - 2¹ = 2231351 is a prime.

It is a super-3 number, since 3×2231353³ = 33329292751053071931, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231353.

It is not an unprimeable number, because it can be changed into a prime (2231351) 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, 20998 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (568377).

2^2231353 is an apocalyptic number.

It is an amenable number.

2231353 is a deficient number, since it is larger than the sum of its proper divisors (42155).

2231353 is an equidigital number, since it uses as much as digits as its factorization.

2231353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42154.

The product of its digits is 540, while the sum is 19.

The square root of 2231353 is about 1493.7714015203. The cubic root of 2231353 is about 130.6740727384.

Adding to 2231353 its reverse (3531322), we get a palindrome (5762675).

It can be divided in two parts, 22313 and 53, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 2231353 in words is "two million, two hundred thirty-one thousand, three hundred fifty-three".