1222325 has 12 divisors (see below), whose sum is σ = 1632708. Its totient is φ = 902400.

The previous prime is 1222307. The next prime is 1222373. The reversal of 1222325 is 5232221.

1222325 = 209² + 210² + ... + 233².

It can be written as a sum of positive squares in 6 ways, for example, as 155236 + 1067089 = 394^2 + 1033^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1222325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1556 + ... + 2205.

It is an arithmetic number, because the mean of its divisors is an integer number (136059).

2^1222325 is an apocalyptic number.

It is an amenable number.

1222325 is a deficient number, since it is larger than the sum of its proper divisors (410383).

1222325 is a wasteful number, since it uses less digits than its factorization.

1222325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784 (or 3779 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 1222325 is about 1105.5880788069. The cubic root of 1222325 is about 106.9208078545.

Adding to 1222325 its reverse (5232221), we get a palindrome (6454546).

The spelling of 1222325 in words is "one million, two hundred twenty-two thousand, three hundred twenty-five".