3222605 has 16 divisors (see below), whose sum is σ = 4230144. Its totient is φ = 2346240.

The previous prime is 3222581. The next prime is 3222613. The reversal of 3222605 is 5062223.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3222605 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2024 + ... + 3246.

It is an arithmetic number, because the mean of its divisors is an integer number (264384).

Almost surely, 2^3222605 is an apocalyptic number.

It is an amenable number.

3222605 is a deficient number, since it is larger than the sum of its proper divisors (1007539).

3222605 is a wasteful number, since it uses less digits than its factorization.

3222605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3222605 is about 1795.1615526186. The cubic root of 3222605 is about 147.7074358015.

Adding to 3222605 its reverse (5062223), we get a palindrome (8284828).

The spelling of 3222605 in words is "three million, two hundred twenty-two thousand, six hundred five".