32224013 has 4 divisors (see below), whose sum is σ = 32525280. Its totient is φ = 31922748.

The previous prime is 32224009. The next prime is 32224039. The reversal of 32224013 is 31042223.

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 32224013 - 2² = 32224009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32223982 and 32224000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32224063) 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, 150473 + ... + 150686.

It is an arithmetic number, because the mean of its divisors is an integer number (8131320).

Almost surely, 2^32224013 is an apocalyptic number.

It is an amenable number.

32224013 is a deficient number, since it is larger than the sum of its proper divisors (301267).

32224013 is a wasteful number, since it uses less digits than its factorization.

32224013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301266.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 32224013 is about 5676.6198569219. The cubic root of 32224013 is about 318.2193185312.

Adding to 32224013 its reverse (31042223), we get a palindrome (63266236).

The spelling of 32224013 in words is "thirty-two million, two hundred twenty-four thousand, thirteen".