63221327 has 4 divisors (see below), whose sum is σ = 68084520. Its totient is φ = 58358136.

The previous prime is 63221321. The next prime is 63221329. The reversal of 63221327 is 72312236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63221327 - 2²⁰ = 62172751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63221296 and 63221305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63221321) 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, 2431577 + ... + 2431602.

It is an arithmetic number, because the mean of its divisors is an integer number (17021130).

Almost surely, 2^63221327 is an apocalyptic number.

63221327 is a deficient number, since it is larger than the sum of its proper divisors (4863193).

63221327 is a wasteful number, since it uses less digits than its factorization.

63221327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863192.

The product of its digits is 3024, while the sum is 26.

The square root of 63221327 is about 7951.1839998833. The cubic root of 63221327 is about 398.3711406297.

Subtracting 63221327 from its reverse (72312236), we obtain a palindrome (9090909).

The spelling of 63221327 in words is "sixty-three million, two hundred twenty-one thousand, three hundred twenty-seven".