452512220 has 48 divisors (see below), whose sum is σ = 998725728. Its totient is φ = 172005120.

The previous prime is 452512199. The next prime is 452512231. The reversal of 452512220 is 22215254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24710 + ... + 38930.

It is an arithmetic number, because the mean of its divisors is an integer number (20806786).

Almost surely, 2^452512220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452512220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499362864).

452512220 is an abundant number, since it is smaller than the sum of its proper divisors (546213508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

452512220 is a wasteful number, since it uses less digits than its factorization.

452512220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14310 (or 14308 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 452512220 is about 21272.3346156457. The cubic root of 452512220 is about 767.7328149535.

Adding to 452512220 its reverse (22215254), we get a palindrome (474727474).

The spelling of 452512220 in words is "four hundred fifty-two million, five hundred twelve thousand, two hundred twenty".