63222013 has 4 divisors (see below), whose sum is σ = 63983808. Its totient is φ = 62460220.

The previous prime is 63222007. The next prime is 63222017. The reversal of 63222013 is 31022236.

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 a de Polignac number, because none of the positive numbers 2^k-63222013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63222017) 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, 380773 + ... + 380938.

It is an arithmetic number, because the mean of its divisors is an integer number (15995952).

Almost surely, 2^63222013 is an apocalyptic number.

It is an amenable number.

63222013 is a deficient number, since it is larger than the sum of its proper divisors (761795).

63222013 is an equidigital number, since it uses as much as digits as its factorization.

63222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761794.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 63222013 is about 7951.2271379957. The cubic root of 63222013 is about 398.3725815022.

Adding to 63222013 its reverse (31022236), we get a palindrome (94244249).

The spelling of 63222013 in words is "sixty-three million, two hundred twenty-two thousand, thirteen".