405101222 has 8 divisors (see below), whose sum is σ = 608638536. Its totient is φ = 202221712.

The previous prime is 405101219. The next prime is 405101227. The reversal of 405101222 is 222101504.

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

It is a self number, because there is not a number n which added to its sum of digits gives 405101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405101227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162908 + ... + 165375.

It is an arithmetic number, because the mean of its divisors is an integer number (76079817).

Almost surely, 2^405101222 is an apocalyptic number.

405101222 is a deficient number, since it is larger than the sum of its proper divisors (203537314).

405101222 is a wasteful number, since it uses less digits than its factorization.

405101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328902.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 405101222 is about 20127.1265211903. The cubic root of 405101222 is about 739.9252554163.

Adding to 405101222 its reverse (222101504), we get a palindrome (627202726).

The spelling of 405101222 in words is "four hundred five million, one hundred one thousand, two hundred twenty-two".