408321222 has 32 divisors (see below), whose sum is σ = 836487648. Its totient is φ = 132827136.

The previous prime is 408321197. The next prime is 408321227. The reversal of 408321222 is 222123804.

It is a junction number, because it is equal to n+sod(n) for n = 408321192 and 408321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408321227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58048 + ... + 64700.

It is an arithmetic number, because the mean of its divisors is an integer number (26140239).

Almost surely, 2^408321222 is an apocalyptic number.

408321222 is an abundant number, since it is smaller than the sum of its proper divisors (428166426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408321222 is a wasteful number, since it uses less digits than its factorization.

408321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 408321222 is about 20206.9597416336. The cubic root of 408321222 is about 741.8805480922.

The spelling of 408321222 in words is "four hundred eight million, three hundred twenty-one thousand, two hundred twenty-two".