422055506 has 8 divisors (see below), whose sum is σ = 633849420. Its totient is φ = 210772368.

The previous prime is 422055503. The next prime is 422055511. The reversal of 422055506 is 605550224.

It can be written as a sum of positive squares in 2 ways, for example, as 420865225 + 1190281 = 20515^2 + 1091^2 .

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

It is not an unprimeable number, because it can be changed into a prime (422055503) 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, 125621 + ... + 128936.

Almost surely, 2^422055506 is an apocalyptic number.

422055506 is a deficient number, since it is larger than the sum of its proper divisors (211793914).

422055506 is a wasteful number, since it uses less digits than its factorization.

422055506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255388.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 422055506 is about 20543.9895346547. The cubic root of 422055506 is about 750.1069512664.

The spelling of 422055506 in words is "four hundred twenty-two million, fifty-five thousand, five hundred six".