452221 has 12 divisors (see below), whose sum is σ = 574560. Its totient is φ = 351960.

The previous prime is 452213. The next prime is 452227. The reversal of 452221 is 122254.

It is not a de Polignac number, because 452221 - 2³ = 452213 is a prime.

452221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 452195 and 452204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452227) 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 11 ways as a sum of consecutive naturals, for example, 120 + ... + 958.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2⁴⁵²²²¹ is an apocalyptic number.

It is an amenable number.

452221 is a deficient number, since it is larger than the sum of its proper divisors (122339).

452221 is a wasteful number, since it uses less digits than its factorization.

452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 857 counting only the distinct ones).

The product of its digits is 160, while the sum is 16.

The square root of 452221 is about 672.4737913109. The cubic root of 452221 is about 76.7568084868.

Adding to 452221 its reverse (122254), we get a palindrome (574475).

It can be divided in two parts, 4 and 52221, that added together give a palindrome (52225).

The spelling of 452221 in words is "four hundred fifty-two thousand, two hundred twenty-one".