1622222 has 8 divisors (see below), whose sum is σ = 2780976. Its totient is φ = 695232.

The previous prime is 1622209. The next prime is 1622233. The reversal of 1622222 is 2222261.

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

1622222 is a modest number, since divided by 2222 gives 162 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1622222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57923 + ... + 57950.

It is an arithmetic number, because the mean of its divisors is an integer number (347622).

2^1622222 is an apocalyptic number.

1622222 is a deficient number, since it is larger than the sum of its proper divisors (1158754).

1622222 is a wasteful number, since it uses less digits than its factorization.

1622222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115882.

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

The square root of 1622222 is about 1273.6647910655. The cubic root of 1622222 is about 117.4997012215.

Adding to 1622222 its reverse (2222261), we get a palindrome (3844483).

The spelling of 1622222 in words is "one million, six hundred twenty-two thousand, two hundred twenty-two".