1222277 has 8 divisors (see below), whose sum is σ = 1404096. Its totient is φ = 1042272.

The previous prime is 1222271. The next prime is 1222279. The reversal of 1222277 is 7722221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222277 - 2¹⁶ = 1156741 is a prime.

It is a super-2 number, since 2×1222277² = 2987922129458, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1673 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (175512).

2^1222277 is an apocalyptic number.

It is an amenable number.

1222277 is a deficient number, since it is larger than the sum of its proper divisors (181819).

1222277 is an equidigital number, since it uses as much as digits as its factorization.

1222277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907.

The product of its digits is 784, while the sum is 23.

The square root of 1222277 is about 1105.5663706897. The cubic root of 1222277 is about 106.9194082633.

Adding to 1222277 its reverse (7722221), we get a palindrome (8944498).

The spelling of 1222277 in words is "one million, two hundred twenty-two thousand, two hundred seventy-seven".