63220452 has 48 divisors (see below), whose sum is σ = 151683840. Its totient is φ = 20484352.

The previous prime is 63220441. The next prime is 63220477. The reversal of 63220452 is 25402236.

63220452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 110824 + ... + 111392.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^63220452 is an apocalyptic number.

It is an amenable number.

63220452 is an abundant number, since it is smaller than the sum of its proper divisors (88463388).

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

63220452 is a wasteful number, since it uses less digits than its factorization.

63220452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 63220452 is about 7951.1289764410. The cubic root of 63220452 is about 398.3693027670.

Adding to 63220452 its reverse (25402236), we get a palindrome (88622688).

The spelling of 63220452 in words is "sixty-three million, two hundred twenty thousand, four hundred fifty-two".