423002022 has 32 divisors (see below), whose sum is σ = 855211392. Its totient is φ = 139473984.

The previous prime is 423002009. The next prime is 423002023. The reversal of 423002022 is 220200324.

It is a junction number, because it is equal to n+sod(n) for n = 423001992 and 423002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423002023) 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, 284493 + ... + 285975.

It is an arithmetic number, because the mean of its divisors is an integer number (26725356).

Almost surely, 2^423002022 is an apocalyptic number.

423002022 is an abundant number, since it is smaller than the sum of its proper divisors (432209370).

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

423002022 is a wasteful number, since it uses less digits than its factorization.

423002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 423002022 is about 20567.0129576465. The cubic root of 423002022 is about 750.6672710453.

Adding to 423002022 its reverse (220200324), we get a palindrome (643202346).

The spelling of 423002022 in words is "four hundred twenty-three million, two thousand, twenty-two".