1622106 has 80 divisors (see below), whose sum is σ = 4181760. Its totient is φ = 466560.

The previous prime is 1622081. The next prime is 1622141. The reversal of 1622106 is 6012261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52311 + ... + 52341.

It is an arithmetic number, because the mean of its divisors is an integer number (52272).

2^1622106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090880).

1622106 is an abundant number, since it is smaller than the sum of its proper divisors (2559654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1622106 is a wasteful number, since it uses less digits than its factorization.

1622106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1622106 is about 1273.6192523670. The cubic root of 1622106 is about 117.4969004766.

Adding to 1622106 its reverse (6012261), we get a palindrome (7634367).

It can be divided in two parts, 1622 and 106, that added together give a cube (1728 = 12³).

The spelling of 1622106 in words is "one million, six hundred twenty-two thousand, one hundred six".