422224155 has 24 divisors (see below), whose sum is σ = 774906912. Its totient is φ = 211939584.

The previous prime is 422224141. The next prime is 422224177. The reversal of 422224155 is 551422224.

422224155 is a `hidden beast` number, since 422 + 224 + 15 + 5 = 666.

It is not a de Polignac number, because 422224155 - 2⁴ = 422224139 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 275199 + ... + 276728.

It is an arithmetic number, because the mean of its divisors is an integer number (32287788).

Almost surely, 2^422224155 is an apocalyptic number.

422224155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

422224155 is a deficient number, since it is larger than the sum of its proper divisors (352682757).

422224155 is a wasteful number, since it uses less digits than its factorization.

422224155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551955 (or 551952 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 422224155 is about 20548.0937072031. The cubic root of 422224155 is about 750.2068496124.

Adding to 422224155 its reverse (551422224), we get a palindrome (973646379).

The spelling of 422224155 in words is "four hundred twenty-two million, two hundred twenty-four thousand, one hundred fifty-five".