1622006 has 16 divisors (see below), whose sum is σ = 2610144. Its totient is φ = 753984.

The previous prime is 1621993. The next prime is 1622009. The reversal of 1622006 is 6002261.

1622006 = T₃₆₄ + T₃₆₅ + ... + T₃₈₆.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622009) 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, 1226 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (163134).

2^1622006 is an apocalyptic number.

1622006 is a deficient number, since it is larger than the sum of its proper divisors (988138).

1622006 is a wasteful number, since it uses less digits than its factorization.

1622006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1622006 is about 1273.5799935615. The cubic root of 1622006 is about 117.4944859341.

Adding to 1622006 its reverse (6002261), we get a palindrome (7624267).

It can be divided in two parts, 16 and 22006, that added together give a palindrome (22022).

The spelling of 1622006 in words is "one million, six hundred twenty-two thousand, six".