1622163 has 16 divisors (see below), whose sum is σ = 2304000. Its totient is φ = 1012320.

The previous prime is 1622149. The next prime is 1622189. The reversal of 1622163 is 3612261.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1622163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1622143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8398 + ... + 8588.

It is an arithmetic number, because the mean of its divisors is an integer number (144000).

2^1622163 is an apocalyptic number.

1622163 is a deficient number, since it is larger than the sum of its proper divisors (681837).

1622163 is a wasteful number, since it uses less digits than its factorization.

1622163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its digits is 432, while the sum is 21.

The square root of 1622163 is about 1273.6416293448. The cubic root of 1622163 is about 117.4982767214.

The spelling of 1622163 in words is "one million, six hundred twenty-two thousand, one hundred sixty-three".