1882221 has 8 divisors (see below), whose sum is σ = 2737824. Its totient is φ = 1140720.

The previous prime is 1882211. The next prime is 1882229. The reversal of 1882221 is 1222881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1882221 - 2¹⁰ = 1881197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1882191 and 1882200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1882229) 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, 28486 + ... + 28551.

It is an arithmetic number, because the mean of its divisors is an integer number (342228).

2^1882221 is an apocalyptic number.

1882221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1882221 is a deficient number, since it is larger than the sum of its proper divisors (855603).

1882221 is a wasteful number, since it uses less digits than its factorization.

1882221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57051.

The product of its digits is 512, while the sum is 24.

The square root of 1882221 is about 1371.9405963816. The cubic root of 1882221 is about 123.4686988702.

The spelling of 1882221 in words is "one million, eight hundred eighty-two thousand, two hundred twenty-one".