63220868 has 12 divisors (see below), whose sum is σ = 110696460. Its totient is φ = 31593312.

The previous prime is 63220867. The next prime is 63220921. The reversal of 63220868 is 86802236.

It can be written as a sum of positive squares in 2 ways, for example, as 14807104 + 48413764 = 3848^2 + 6958^2 .

It is not an unprimeable number, because it can be changed into a prime (63220867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7838 + ... + 13706.

It is an arithmetic number, because the mean of its divisors is an integer number (9224705).

Almost surely, 2^63220868 is an apocalyptic number.

It is an amenable number.

63220868 is a deficient number, since it is larger than the sum of its proper divisors (47475592).

63220868 is a wasteful number, since it uses less digits than its factorization.

63220868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566 (or 8564 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 63220868 is about 7951.1551362051. The cubic root of 63220868 is about 398.3701765415.

The spelling of 63220868 in words is "sixty-three million, two hundred twenty thousand, eight hundred sixty-eight".