2265231 has 4 divisors (see below), whose sum is σ = 3020312. Its totient is φ = 1510152.

The previous prime is 2265223. The next prime is 2265239. The reversal of 2265231 is 1325622.

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

It is an interprime number because it is at equal distance from previous prime (2265223) and next prime (2265239).

It is not a de Polignac number, because 2265231 - 2³ = 2265223 is a prime.

It is a super-2 number, since 2×2265231² = 10262542966722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2265198 and 2265207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265239) 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, 377536 + ... + 377541.

It is an arithmetic number, because the mean of its divisors is an integer number (755078).

2^2265231 is an apocalyptic number.

2265231 is a deficient number, since it is larger than the sum of its proper divisors (755081).

2265231 is an equidigital number, since it uses as much as digits as its factorization.

2265231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755080.

The product of its digits is 720, while the sum is 21.

The square root of 2265231 is about 1505.0684369822. The cubic root of 2265231 is about 131.3320828956.

The spelling of 2265231 in words is "two million, two hundred sixty-five thousand, two hundred thirty-one".