1222275 has 24 divisors (see below), whose sum is σ = 2073280. Its totient is φ = 635040.

The previous prime is 1222271. The next prime is 1222279. The reversal of 1222275 is 5722221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222271) and next prime (1222279).

It is not a de Polignac number, because 1222275 - 2² = 1222271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3036 + ... + 3414.

2^1222275 is an apocalyptic number.

1222275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222275 is a deficient number, since it is larger than the sum of its proper divisors (851005).

1222275 is a wasteful number, since it uses less digits than its factorization.

1222275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 430 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 1222275 is about 1105.5654661756. The cubic root of 1222275 is about 106.9193499462.

Adding to 1222275 its reverse (5722221), we get a palindrome (6944496).

The spelling of 1222275 in words is "one million, two hundred twenty-two thousand, two hundred seventy-five".