63223081 has 4 divisors (see below), whose sum is σ = 63246672. Its totient is φ = 63199492.

The previous prime is 63223079. The next prime is 63223087. The reversal of 63223081 is 18032236.

63223081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63223081 - 2¹ = 63223079 is a prime.

It is a super-2 number, since 2×63223081² = 7994315942265122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63223087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7171 + ... + 13336.

It is an arithmetic number, because the mean of its divisors is an integer number (15811668).

Almost surely, 2^63223081 is an apocalyptic number.

It is an amenable number.

63223081 is a deficient number, since it is larger than the sum of its proper divisors (23591).

63223081 is a wasteful number, since it uses less digits than its factorization.

63223081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23590.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 63223081 is about 7951.2942971569. The cubic root of 63223081 is about 398.3748247057.

The spelling of 63223081 in words is "sixty-three million, two hundred twenty-three thousand, eighty-one".