422115855 has 16 divisors (see below), whose sum is σ = 771869184. Its totient is φ = 192967200.

The previous prime is 422115853. The next prime is 422115901. The reversal of 422115855 is 558511224.

It is not a de Polignac number, because 422115855 - 2¹ = 422115853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422115853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009971 + ... + 2010180.

It is an arithmetic number, because the mean of its divisors is an integer number (48241824).

Almost surely, 2^422115855 is an apocalyptic number.

422115855 is a deficient number, since it is larger than the sum of its proper divisors (349753329).

422115855 is a wasteful number, since it uses less digits than its factorization.

422115855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020166.

The product of its digits is 16000, while the sum is 33.

The square root of 422115855 is about 20545.4582572402. The cubic root of 422115855 is about 750.1427017355.

The spelling of 422115855 in words is "four hundred twenty-two million, one hundred fifteen thousand, eight hundred fifty-five".