3222225 has 18 divisors (see below), whose sum is σ = 5771766. Its totient is φ = 1718400.

The previous prime is 3222223. The next prime is 3222239. The reversal of 3222225 is 5222223.

It can be written as a sum of positive squares in 3 ways, for example, as 25281 + 3196944 = 159^2 + 1788^2 .

It is not a de Polignac number, because 3222225 - 2¹ = 3222223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3222198 and 3222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6936 + ... + 7385.

Almost surely, 2^3222225 is an apocalyptic number.

It is an amenable number.

3222225 is a deficient number, since it is larger than the sum of its proper divisors (2549541).

3222225 is a wasteful number, since it uses less digits than its factorization.

3222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14337 (or 14329 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 3222225 is about 1795.0557094419. The cubic root of 3222225 is about 147.7016298328.

Adding to 3222225 its reverse (5222223), we get a palindrome (8444448).

The spelling of 3222225 in words is "three million, two hundred twenty-two thousand, two hundred twenty-five".