63222271 has 8 divisors (see below), whose sum is σ = 72310784. Its totient is φ = 54147960.

The previous prime is 63222259. The next prime is 63222277. The reversal of 63222271 is 17222236.

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 63222271 - 2⁷ = 63222143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63222277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8926 + ... + 14356.

It is an arithmetic number, because the mean of its divisors is an integer number (9038848).

Almost surely, 2^63222271 is an apocalyptic number.

63222271 is a deficient number, since it is larger than the sum of its proper divisors (9088513).

63222271 is a wasteful number, since it uses less digits than its factorization.

63222271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101.

The product of its digits is 2016, while the sum is 25.

The square root of 63222271 is about 7951.2433618900. The cubic root of 63222271 is about 398.3731234020.

The spelling of 63222271 in words is "sixty-three million, two hundred twenty-two thousand, two hundred seventy-one".