63222647 has 8 divisors (see below), whose sum is σ = 63836016. Its totient is φ = 62612352.

The previous prime is 63222641. The next prime is 63222683. The reversal of 63222647 is 74622236.

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 63222647 - 2⁶ = 63222583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63222641) 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, 64223 + ... + 65199.

It is an arithmetic number, because the mean of its divisors is an integer number (7979502).

Almost surely, 2^63222647 is an apocalyptic number.

63222647 is a deficient number, since it is larger than the sum of its proper divisors (613369).

63222647 is a wasteful number, since it uses less digits than its factorization.

63222647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537.

The product of its digits is 24192, while the sum is 32.

The square root of 63222647 is about 7951.2670059557. The cubic root of 63222647 is about 398.3739131447.

The spelling of 63222647 in words is "sixty-three million, two hundred twenty-two thousand, six hundred forty-seven".