422449228 has 12 divisors (see below), whose sum is σ = 739936512. Its totient is φ = 211038800.

The previous prime is 422449213. The next prime is 422449241. The reversal of 422449228 is 822944224.

It is an unprimeable number.

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, 41275 + ... + 50482.

It is an arithmetic number, because the mean of its divisors is an integer number (61661376).

Almost surely, 2^422449228 is an apocalyptic number.

It is an amenable number.

422449228 is a deficient number, since it is larger than the sum of its proper divisors (317487284).

422449228 is a wasteful number, since it uses less digits than its factorization.

422449228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92912 (or 92910 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 422449228 is about 20553.5697142856. The cubic root of 422449228 is about 750.3401289856.

The spelling of 422449228 in words is "four hundred twenty-two million, four hundred forty-nine thousand, two hundred twenty-eight".