452512221 has 8 divisors (see below), whose sum is σ = 689542464. Its totient is φ = 258578400.

The previous prime is 452512199. The next prime is 452512231. The reversal of 452512221 is 122215254.

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

It is not a de Polignac number, because 452512221 - 2¹⁸ = 452250077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452512191 and 452512200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452512231) 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, 10774080 + ... + 10774121.

It is an arithmetic number, because the mean of its divisors is an integer number (86192808).

Almost surely, 2^452512221 is an apocalyptic number.

It is an amenable number.

452512221 is a deficient number, since it is larger than the sum of its proper divisors (237030243).

452512221 is a wasteful number, since it uses less digits than its factorization.

452512221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21548211.

The product of its digits is 1600, while the sum is 24.

The square root of 452512221 is about 21272.3346391504. The cubic root of 452512221 is about 767.7328155191.

Adding to 452512221 its reverse (122215254), we get a palindrome (574727475).

The spelling of 452512221 in words is "four hundred fifty-two million, five hundred twelve thousand, two hundred twenty-one".