1222267 has 2 divisors, whose sum is σ = 1222268. Its totient is φ = 1222266.

The previous prime is 1222259. The next prime is 1222271. The reversal of 1222267 is 7622221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222267 - 2³ = 1222259 is a prime.

It is a pancake number, because a pancake can be divided into 1222267 parts by 1563 straight cuts.

1222267 is a lucky number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1222567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611133 + 611134.

It is an arithmetic number, because the mean of its divisors is an integer number (611134).

2^1222267 is an apocalyptic number.

1222267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222267 is an equidigital number, since it uses as much as digits as its factorization.

1222267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 22.

The square root of 1222267 is about 1105.5618481116. The cubic root of 1222267 is about 106.9191166772.

Adding to 1222267 its reverse (7622221), we get a palindrome (8844488).

The spelling of 1222267 in words is "one million, two hundred twenty-two thousand, two hundred sixty-seven".