63252220 has 12 divisors (see below), whose sum is σ = 132829704. Its totient is φ = 25300880.

The previous prime is 63252209. The next prime is 63252227. The reversal of 63252220 is 2225236.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63252191 and 63252200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63252227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581286 + ... + 1581325.

It is an arithmetic number, because the mean of its divisors is an integer number (11069142).

Almost surely, 2^63252220 is an apocalyptic number.

It is an amenable number.

63252220 is an abundant number, since it is smaller than the sum of its proper divisors (69577484).

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

63252220 is a wasteful number, since it uses less digits than its factorization.

63252220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162620 (or 3162618 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 63252220 is about 7953.1264292730. The cubic root of 63252220 is about 398.4360178697.

Adding to 63252220 its reverse (2225236), we get a palindrome (65477456).

The spelling of 63252220 in words is "sixty-three million, two hundred fifty-two thousand, two hundred twenty".