1222262 has 4 divisors (see below), whose sum is σ = 1833396. Its totient is φ = 611130.

The previous prime is 1222259. The next prime is 1222267. The reversal of 1222262 is 2622221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2622221 = 7 ⋅374603.

It is a self number, because there is not a number n which added to its sum of digits gives 1222262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305564 + ... + 305567.

It is an arithmetic number, because the mean of its divisors is an integer number (458349).

2^1222262 is an apocalyptic number.

1222262 is a deficient number, since it is larger than the sum of its proper divisors (611134).

1222262 is an equidigital number, since it uses as much as digits as its factorization.

1222262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611133.

The product of its digits is 192, while the sum is 17.

The square root of 1222262 is about 1105.5595868157. The cubic root of 1222262 is about 106.9189708835.

Adding to 1222262 its reverse (2622221), we get a palindrome (3844483).

The spelling of 1222262 in words is "one million, two hundred twenty-two thousand, two hundred sixty-two".