3222785 has 4 divisors (see below), whose sum is σ = 3867348. Its totient is φ = 2578224.

The previous prime is 3222781. The next prime is 3222787. The reversal of 3222785 is 5872223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5872223 = 7 ⋅838889.

It can be written as a sum of positive squares in 2 ways, for example, as 1893376 + 1329409 = 1376^2 + 1153^2 .

It is a cyclic number.

It is not a de Polignac number, because 3222785 - 2² = 3222781 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹⁰ + 2⁹ + 2²⁰ + 2²¹ + 7⁵ + 8² + 5⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3222781) 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, 322274 + ... + 322283.

It is an arithmetic number, because the mean of its divisors is an integer number (966837).

Almost surely, 2^3222785 is an apocalyptic number.

It is an amenable number.

3222785 is a deficient number, since it is larger than the sum of its proper divisors (644563).

3222785 is an equidigital number, since it uses as much as digits as its factorization.

3222785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644562.

The product of its digits is 6720, while the sum is 29.

The square root of 3222785 is about 1795.2116866821. The cubic root of 3222785 is about 147.7101858380.

The spelling of 3222785 in words is "three million, two hundred twenty-two thousand, seven hundred eighty-five".