1822253 has 4 divisors (see below), whose sum is σ = 1852188. Its totient is φ = 1792320.

The previous prime is 1822241. The next prime is 1822259. The reversal of 1822253 is 3522281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 896809 + 925444 = 947^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1822253 - 2⁶ = 1822189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14876 + ... + 14997.

It is an arithmetic number, because the mean of its divisors is an integer number (463047).

2^1822253 is an apocalyptic number.

It is an amenable number.

1822253 is a deficient number, since it is larger than the sum of its proper divisors (29935).

1822253 is an equidigital number, since it uses as much as digits as its factorization.

1822253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29934.

The product of its digits is 960, while the sum is 23.

The square root of 1822253 is about 1349.9085154187. The cubic root of 1822253 is about 122.1432742987.

The spelling of 1822253 in words is "one million, eight hundred twenty-two thousand, two hundred fifty-three".