63220402 has 16 divisors (see below), whose sum is σ = 109108800. Its totient is φ = 26911728.

The previous prime is 63220393. The next prime is 63220411. The reversal of 63220402 is 20402236.

63220402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63220393) and next prime (63220411).

It is a self number, because there is not a number n which added to its sum of digits gives 63220402.

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 7 ways as a sum of consecutive naturals, for example, 13068 + ... + 17239.

It is an arithmetic number, because the mean of its divisors is an integer number (6819300).

Almost surely, 2^63220402 is an apocalyptic number.

63220402 is a deficient number, since it is larger than the sum of its proper divisors (45888398).

63220402 is a wasteful number, since it uses less digits than its factorization.

63220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30465.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 63220402 is about 7951.1258322328. The cubic root of 63220402 is about 398.3691977457.

Adding to 63220402 its reverse (20402236), we get a palindrome (83622638).

The spelling of 63220402 in words is "sixty-three million, two hundred twenty thousand, four hundred two".