1622233 has 2 divisors, whose sum is σ = 1622234. Its totient is φ = 1622232.

The previous prime is 1622209. The next prime is 1622263. The reversal of 1622233 is 3322261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247689 + 374544 = 1117^2 + 612^2 .

It is an emirp because it is prime and its reverse (3322261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1622233 - 2⁹ = 1621721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1622233.

It is not a weakly prime, because it can be changed into another prime (1622263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811116 + 811117.

It is an arithmetic number, because the mean of its divisors is an integer number (811117).

2^1622233 is an apocalyptic number.

It is an amenable number.

1622233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622233 is an equidigital number, since it uses as much as digits as its factorization.

1622233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 19.

The square root of 1622233 is about 1273.6691093059. The cubic root of 1622233 is about 117.4999668025.

Adding to 1622233 its reverse (3322261), we get a palindrome (4944494).

The spelling of 1622233 in words is "one million, six hundred twenty-two thousand, two hundred thirty-three".