423522198 has 96 divisors (see below), whose sum is σ = 1064943360. Its totient is φ = 120294720.

The previous prime is 423522193. The next prime is 423522199. The reversal of 423522198 is 891225324.

It is a happy number.

423522198 is a `hidden beast` number, since 42 + 3 + 522 + 1 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423522193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 386940 + ... + 388032.

It is an arithmetic number, because the mean of its divisors is an integer number (11093160).

Almost surely, 2^423522198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423522198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532471680).

423522198 is an abundant number, since it is smaller than the sum of its proper divisors (641421162).

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

423522198 is a wasteful number, since it uses less digits than its factorization.

423522198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1231 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 423522198 is about 20579.6549533757. The cubic root of 423522198 is about 750.9748496752.

The spelling of 423522198 in words is "four hundred twenty-three million, five hundred twenty-two thousand, one hundred ninety-eight".