63224413 has 4 divisors (see below), whose sum is σ = 72256480. Its totient is φ = 54192348.

The previous prime is 63224393. The next prime is 63224431. The reversal of 63224413 is 31442236.

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 de Polignac number, because none of the positive numbers 2^k-63224413 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 (63224713) 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, 4516023 + ... + 4516036.

It is an arithmetic number, because the mean of its divisors is an integer number (18064120).

Almost surely, 2^63224413 is an apocalyptic number.

It is an amenable number.

63224413 is a deficient number, since it is larger than the sum of its proper divisors (9032067).

63224413 is an equidigital number, since it uses as much as digits as its factorization.

63224413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032066.

The product of its digits is 3456, while the sum is 25.

The square root of 63224413 is about 7951.3780566641. The cubic root of 63224413 is about 398.3776223735.

Adding to 63224413 its reverse (31442236), we get a palindrome (94666649).

The spelling of 63224413 in words is "sixty-three million, two hundred twenty-four thousand, four hundred thirteen".