1222022 has 4 divisors (see below), whose sum is σ = 1833036. Its totient is φ = 611010.

The previous prime is 1222019. The next prime is 1222027. The reversal of 1222022 is 2202221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2202221 = 7 ⋅314603.

It is a junction number, because it is equal to n+sod(n) for n = 1221994 and 1222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305504 + ... + 305507.

It is an arithmetic number, because the mean of its divisors is an integer number (458259).

2^1222022 is an apocalyptic number.

1222022 is a deficient number, since it is larger than the sum of its proper divisors (611014).

1222022 is an equidigital number, since it uses as much as digits as its factorization.

1222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611013.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1222022 is about 1105.4510391691. The cubic root of 1222022 is about 106.9119723206.

Adding to 1222022 its reverse (2202221), we get a palindrome (3424243).

The spelling of 1222022 in words is "one million, two hundred twenty-two thousand, twenty-two".