422203028 has 48 divisors (see below), whose sum is σ = 846061440. Its totient is φ = 182736000.

The previous prime is 422203013. The next prime is 422203037. The reversal of 422203028 is 820302224.

It is a junction number, because it is equal to n+sod(n) for n = 422202994 and 422203012.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 97673 + ... + 101903.

It is an arithmetic number, because the mean of its divisors is an integer number (17626280).

Almost surely, 2^422203028 is an apocalyptic number.

It is an amenable number.

422203028 is an abundant number, since it is smaller than the sum of its proper divisors (423858412).

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

422203028 is a wasteful number, since it uses less digits than its factorization.

422203028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368 (or 4366 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 422203028 is about 20547.5796141541. The cubic root of 422203028 is about 750.1943366030.

The spelling of 422203028 in words is "four hundred twenty-two million, two hundred three thousand, twenty-eight".