63228319 has 8 divisors (see below), whose sum is σ = 78830208. Its totient is φ = 49268760.

The previous prime is 63228317. The next prime is 63228331. The reversal of 63228319 is 91382236.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63228319 - 2¹ = 63228317 is a prime.

It is a super-2 number, since 2×63228319² = 7995640647131522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63228317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410497 + ... + 410650.

It is an arithmetic number, because the mean of its divisors is an integer number (9853776).

Almost surely, 2^63228319 is an apocalyptic number.

63228319 is a deficient number, since it is larger than the sum of its proper divisors (15601889).

63228319 is a wasteful number, since it uses less digits than its factorization.

63228319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821165.

The product of its digits is 15552, while the sum is 34.

The square root of 63228319 is about 7951.6236706726. The cubic root of 63228319 is about 398.3858261188.

It can be divided in two parts, 6322 and 8319, that added together give a palindrome (14641).

The spelling of 63228319 in words is "sixty-three million, two hundred twenty-eight thousand, three hundred nineteen".