40332223 has 4 divisors (see below), whose sum is σ = 41015880. Its totient is φ = 39648568.

The previous prime is 40332181. The next prime is 40332277. The reversal of 40332223 is 32223304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40332223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40332223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40332623) 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, 341740 + ... + 341857.

It is an arithmetic number, because the mean of its divisors is an integer number (10253970).

Almost surely, 2^40332223 is an apocalyptic number.

40332223 is a deficient number, since it is larger than the sum of its proper divisors (683657).

40332223 is an equidigital number, since it uses as much as digits as its factorization.

40332223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683656.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 40332223 is about 6350.7655444049. The cubic root of 40332223 is about 342.9394022945.

Adding to 40332223 its reverse (32223304), we get a palindrome (72555527).

The spelling of 40332223 in words is "forty million, three hundred thirty-two thousand, two hundred twenty-three".