408522223 has 4 divisors (see below), whose sum is σ = 432552960. Its totient is φ = 384491488.

The previous prime is 408522161. The next prime is 408522227. The reversal of 408522223 is 322225804.

It is a happy number.

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-408522223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408522191 and 408522200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408522227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12015343 + ... + 12015376.

It is an arithmetic number, because the mean of its divisors is an integer number (108138240).

Almost surely, 2^408522223 is an apocalyptic number.

408522223 is a deficient number, since it is larger than the sum of its proper divisors (24030737).

408522223 is a wasteful number, since it uses less digits than its factorization.

408522223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24030736.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 408522223 is about 20211.9326883898. The cubic root of 408522223 is about 742.0022613106.

The spelling of 408522223 in words is "four hundred eight million, five hundred twenty-two thousand, two hundred twenty-three".