3223765 has 4 divisors (see below), whose sum is σ = 3868524. Its totient is φ = 2579008.

The previous prime is 3223757. The next prime is 3223769. The reversal of 3223765 is 5673223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5673223 = 17 ⋅333719.

It can be written as a sum of positive squares in 2 ways, for example, as 1036324 + 2187441 = 1018^2 + 1479^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223765 - 2³ = 3223757 is a prime.

It is a Duffinian number.

3223765 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223769) 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, 322372 + ... + 322381.

It is an arithmetic number, because the mean of its divisors is an integer number (967131).

Almost surely, 2^3223765 is an apocalyptic number.

It is an amenable number.

3223765 is a deficient number, since it is larger than the sum of its proper divisors (644759).

3223765 is an equidigital number, since it uses as much as digits as its factorization.

3223765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644758.

The product of its digits is 7560, while the sum is 28.

The square root of 3223765 is about 1795.4846142476. The cubic root of 3223765 is about 147.7251564624.

Adding to 3223765 its reverse (5673223), we get a palindrome (8896988).

The spelling of 3223765 in words is "three million, two hundred twenty-three thousand, seven hundred sixty-five".