32223813 has 8 divisors (see below), whose sum is σ = 43964448. Its totient is φ = 20982864.

The previous prime is 32223803. The next prime is 32223833. The reversal of 32223813 is 31832223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32223813 - 2⁶ = 32223749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32223803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124770 + ... + 125027.

It is an arithmetic number, because the mean of its divisors is an integer number (5495556).

Almost surely, 2^32223813 is an apocalyptic number.

It is an amenable number.

32223813 is a deficient number, since it is larger than the sum of its proper divisors (11740635).

32223813 is a wasteful number, since it uses less digits than its factorization.

32223813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249843.

The product of its digits is 1728, while the sum is 24.

The square root of 32223813 is about 5676.6022407775. The cubic root of 32223813 is about 318.2186601817.

The spelling of 32223813 in words is "thirty-two million, two hundred twenty-three thousand, eight hundred thirteen".