1222622 has 8 divisors (see below), whose sum is σ = 1842696. Its totient is φ = 608392.

The previous prime is 1222603. The next prime is 1222633. The reversal of 1222622 is 2262221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1222622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (230337).

2^1222622 is an apocalyptic number.

1222622 is a deficient number, since it is larger than the sum of its proper divisors (620074).

1222622 is a wasteful number, since it uses less digits than its factorization.

1222622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922.

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

The square root of 1222622 is about 1105.7223883055. The cubic root of 1222622 is about 106.9294670104.

Adding to 1222622 its reverse (2262221), we get a palindrome (3484843).

It can be divided in two parts, 122 and 2622, that added together give a cube (2744 = 14³).

The spelling of 1222622 in words is "one million, two hundred twenty-two thousand, six hundred twenty-two".