1622206 has 16 divisors (see below), whose sum is σ = 2536128. Its totient is φ = 777600.

The previous prime is 1622189. The next prime is 1622207. The reversal of 1622206 is 6022261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5851 + ... + 6121.

It is an arithmetic number, because the mean of its divisors is an integer number (158508).

2^1622206 is an apocalyptic number.

1622206 is a deficient number, since it is larger than the sum of its proper divisors (913922).

1622206 is a wasteful number, since it uses less digits than its factorization.

1622206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1622206 is about 1273.6585099625. The cubic root of 1622206 is about 117.4993149198.

Adding to 1622206 its reverse (6022261), we get a palindrome (7644467).

It can be divided in two parts, 16 and 22206, that added together give a palindrome (22222).

The spelling of 1622206 in words is "one million, six hundred twenty-two thousand, two hundred six".