2231375 has 8 divisors (see below), whose sum is σ = 2784912. Its totient is φ = 1785000.

The previous prime is 2231371. The next prime is 2231381. The reversal of 2231375 is 5731322.

It is not a de Polignac number, because 2231375 - 2² = 2231371 is a prime.

It is a super-3 number, since 3×2231375³ = 33330278590142578125, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 3² + 1 + 3² + 7 + 5⁵ .

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 2231375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8801 + ... + 9050.

It is an arithmetic number, because the mean of its divisors is an integer number (348114).

2^2231375 is an apocalyptic number.

2231375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2231375 is a deficient number, since it is larger than the sum of its proper divisors (553537).

2231375 is an equidigital number, since it uses as much as digits as its factorization.

2231375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17866 (or 17856 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 2231375 is about 1493.7787654134. The cubic root of 2231375 is about 130.6745021968.

Adding to 2231375 its reverse (5731322), we get a palindrome (7962697).

The spelling of 2231375 in words is "two million, two hundred thirty-one thousand, three hundred seventy-five".