452305221 has 12 divisors (see below), whose sum is σ = 623159136. Its totient is φ = 291807960.

The previous prime is 452305181. The next prime is 452305223. The reversal of 452305221 is 122503254.

It is not a de Polignac number, because 452305221 - 2⁷ = 452305093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452305191 and 452305200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452305223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75561 + ... + 81326.

It is an arithmetic number, because the mean of its divisors is an integer number (51929928).

Almost surely, 2^452305221 is an apocalyptic number.

It is an amenable number.

452305221 is a deficient number, since it is larger than the sum of its proper divisors (170853915).

452305221 is a wasteful number, since it uses less digits than its factorization.

452305221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156952 (or 156921 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 452305221 is about 21267.4686081818. The cubic root of 452305221 is about 767.6157321755.

Adding to 452305221 its reverse (122503254), we get a palindrome (574808475).

The spelling of 452305221 in words is "four hundred fifty-two million, three hundred five thousand, two hundred twenty-one".