3722565 has 48 divisors (see below), whose sum is σ = 7507584. Its totient is φ = 1541760.

The previous prime is 3722549. The next prime is 3722567. The reversal of 3722565 is 5652273.

3722565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3722565 - 2⁴ = 3722549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12559 + ... + 12851.

It is an arithmetic number, because the mean of its divisors is an integer number (156408).

Almost surely, 2^3722565 is an apocalyptic number.

3722565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3722565 is an abundant number, since it is smaller than the sum of its proper divisors (3785019).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3722565 is a wasteful number, since it uses less digits than its factorization.

3722565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 319 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 3722565 is about 1929.3949828897. The cubic root of 3722565 is about 154.9818223567.

The spelling of 3722565 in words is "three million, seven hundred twenty-two thousand, five hundred sixty-five".