405853222 has 8 divisors (see below), whose sum is σ = 625233456. Its totient is φ = 197442072.

The previous prime is 405853207. The next prime is 405853229. The reversal of 405853222 is 222358504.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405853229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742178 + ... + 2742325.

It is an arithmetic number, because the mean of its divisors is an integer number (78154182).

Almost surely, 2^405853222 is an apocalyptic number.

405853222 is a deficient number, since it is larger than the sum of its proper divisors (219380234).

405853222 is a wasteful number, since it uses less digits than its factorization.

405853222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484542.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 405853222 is about 20145.7991154484. The cubic root of 405853222 is about 740.3828199418.

The spelling of 405853222 in words is "four hundred five million, eight hundred fifty-three thousand, two hundred twenty-two".