63221282 has 4 divisors (see below), whose sum is σ = 94831926. Its totient is φ = 31610640.

The previous prime is 63221281. The next prime is 63221287. The reversal of 63221282 is 28212236.

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

It can be written as a sum of positive squares in only one way, i.e., 51394561 + 11826721 = 7169^2 + 3439^2 .

It is not an unprimeable number, because it can be changed into a prime (63221281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15805319 + ... + 15805322.

Almost surely, 2^63221282 is an apocalyptic number.

63221282 is a deficient number, since it is larger than the sum of its proper divisors (31610644).

63221282 is a wasteful number, since it uses less digits than its factorization.

63221282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31610643.

The product of its digits is 2304, while the sum is 26.

The square root of 63221282 is about 7951.1811701155. The cubic root of 63221282 is about 398.3710461114.

The spelling of 63221282 in words is "sixty-three million, two hundred twenty-one thousand, two hundred eighty-two".