2231263 has 4 divisors (see below), whose sum is σ = 2248960. Its totient is φ = 2213568.

The previous prime is 2231219. The next prime is 2231269. The reversal of 2231263 is 3621322.

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 2231263 - 2¹⁷ = 2100191 is a prime.

It is a super-3 number, since 3×2231263³ = 33325259975385925341, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2 + 2³ + 3⁹ + 1 + 2⁹ + 6⁸ + 3¹² .

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 2231263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231269) 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, 8658 + ... + 8911.

It is an arithmetic number, because the mean of its divisors is an integer number (562240).

2^2231263 is an apocalyptic number.

2231263 is a deficient number, since it is larger than the sum of its proper divisors (17697).

2231263 is a wasteful number, since it uses less digits than its factorization.

2231263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696.

The product of its digits is 432, while the sum is 19.

The square root of 2231263 is about 1493.7412761252. The cubic root of 2231263 is about 130.6723158336.

Adding to 2231263 its reverse (3621322), we get a palindrome (5852585).

It can be divided in two parts, 22 and 31263, that multiplied together give a palindrome (687786).

The spelling of 2231263 in words is "two million, two hundred thirty-one thousand, two hundred sixty-three".