63247229 has 4 divisors (see below), whose sum is σ = 63273120. Its totient is φ = 63221340.

The previous prime is 63247213. The next prime is 63247241. The reversal of 63247229 is 92274236.

It is a happy number.

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 63247229 - 2⁴ = 63247213 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 (63247279) 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, 8849 + ... + 14310.

It is an arithmetic number, because the mean of its divisors is an integer number (15818280).

Almost surely, 2^63247229 is an apocalyptic number.

It is an amenable number.

63247229 is a deficient number, since it is larger than the sum of its proper divisors (25891).

63247229 is a wasteful number, since it uses less digits than its factorization.

63247229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25890.

The product of its digits is 36288, while the sum is 35.

The square root of 63247229 is about 7952.8126471079. The cubic root of 63247229 is about 398.4255378872.

The spelling of 63247229 in words is "sixty-three million, two hundred forty-seven thousand, two hundred twenty-nine".