1219225 has 12 divisors (see below), whose sum is σ = 1728064. Its totient is φ = 835920.

The previous prime is 1219213. The next prime is 1219237. The reversal of 1219225 is 5229121.

It is an interprime number because it is at equal distance from previous prime (1219213) and next prime (1219237).

It is a de Polignac number, because none of the positive numbers 2^k-1219225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1219196 and 1219205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3309 + ... + 3658.

2^1219225 is an apocalyptic number.

It is an amenable number.

1219225 is a deficient number, since it is larger than the sum of its proper divisors (508839).

1219225 is an equidigital number, since it uses as much as digits as its factorization.

1219225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984 (or 6979 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 1219225 is about 1104.1852199699. The cubic root of 1219225 is about 106.8303422511.

It can be divided in two parts, 1219 and 225, that added together give a square (1444 = 38²).

The spelling of 1219225 in words is "one million, two hundred nineteen thousand, two hundred twenty-five".