422219928 has 32 divisors (see below), whose sum is σ = 1136746800. Its totient is φ = 129913728.

The previous prime is 422219923. The next prime is 422219953. The reversal of 422219928 is 829912224.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422219923) 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 7 ways as a sum of consecutive naturals, for example, 676323 + ... + 676946.

Almost surely, 2^422219928 is an apocalyptic number.

It is an amenable number.

422219928 is an abundant number, since it is smaller than the sum of its proper divisors (714526872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422219928 is a wasteful number, since it uses less digits than its factorization.

422219928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353291 (or 1353287 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 422219928 is about 20547.9908506890. The cubic root of 422219928 is about 750.2043460963.

The spelling of 422219928 in words is "four hundred twenty-two million, two hundred nineteen thousand, nine hundred twenty-eight".