405341822 has 8 divisors (see below), whose sum is σ = 622152696. Its totient is φ = 197957592.

The previous prime is 405341803. The next prime is 405341861. The reversal of 405341822 is 228143504.

It is a happy number.

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

It is a super-3 number, since 3×405341822³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2356553 + ... + 2356724.

It is an arithmetic number, because the mean of its divisors is an integer number (77769087).

Almost surely, 2^405341822 is an apocalyptic number.

405341822 is a deficient number, since it is larger than the sum of its proper divisors (216810874).

405341822 is a wasteful number, since it uses less digits than its factorization.

405341822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713322.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 405341822 is about 20133.1026421662. The cubic root of 405341822 is about 740.0717132838.

The spelling of 405341822 in words is "four hundred five million, three hundred forty-one thousand, eight hundred twenty-two".