422213855 has 8 divisors (see below), whose sum is σ = 579036192. Its totient is φ = 289518048.

The previous prime is 422213849. The next prime is 422213863. The reversal of 422213855 is 558312224.

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

It is a cyclic number.

It is not a de Polignac number, because 422213855 - 2⁶ = 422213791 is a prime.

It is a super-2 number, since 2×422213855² = 356529078707922050, which contains 22 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6031592 + ... + 6031661.

It is an arithmetic number, because the mean of its divisors is an integer number (72379524).

Almost surely, 2^422213855 is an apocalyptic number.

422213855 is a deficient number, since it is larger than the sum of its proper divisors (156822337).

422213855 is a wasteful number, since it uses less digits than its factorization.

422213855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12063265.

The product of its digits is 19200, while the sum is 32.

The square root of 422213855 is about 20547.8430741526. The cubic root of 422213855 is about 750.2007492245.

The spelling of 422213855 in words is "four hundred twenty-two million, two hundred thirteen thousand, eight hundred fifty-five".