1366225 has 24 divisors (see below), whose sum is σ = 1997888. Its totient is φ = 907200.

The previous prime is 1366213. The next prime is 1366241. The reversal of 1366225 is 5226631.

It is not a de Polignac number, because 1366225 - 2¹¹ = 1364177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1366225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6370 + ... + 6580.

2^1366225 is an apocalyptic number.

It is an amenable number.

1366225 is a deficient number, since it is larger than the sum of its proper divisors (631663).

1366225 is a wasteful number, since it uses less digits than its factorization.

1366225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 260 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1366225 is about 1168.8562785903. The cubic root of 1366225 is about 110.9619489194.

The spelling of 1366225 in words is "one million, three hundred sixty-six thousand, two hundred twenty-five".