405066022 has 16 divisors (see below), whose sum is σ = 628392960. Its totient is φ = 195711048.

The previous prime is 405066001. The next prime is 405066023. The reversal of 405066022 is 220660504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405066023) 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 7 ways as a sum of consecutive naturals, for example, 19848 + ... + 34699.

It is an arithmetic number, because the mean of its divisors is an integer number (39274560).

Almost surely, 2^405066022 is an apocalyptic number.

405066022 is a deficient number, since it is larger than the sum of its proper divisors (223326938).

405066022 is a wasteful number, since it uses less digits than its factorization.

405066022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54675.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 405066022 is about 20126.2520604309. The cubic root of 405066022 is about 739.9038236341.

The spelling of 405066022 in words is "four hundred five million, sixty-six thousand, twenty-two".