422430998 has 32 divisors (see below), whose sum is σ = 719759520. Its totient is φ = 184239360.

The previous prime is 422430991. The next prime is 422431003. The reversal of 422430998 is 899034224.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422430991) 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, 55868 + ... + 62976.

It is an arithmetic number, because the mean of its divisors is an integer number (22492485).

Almost surely, 2^422430998 is an apocalyptic number.

422430998 is a deficient number, since it is larger than the sum of its proper divisors (297328522).

422430998 is a wasteful number, since it uses less digits than its factorization.

422430998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 422430998 is about 20553.1262342253. The cubic root of 422430998 is about 750.3293356592.

The spelling of 422430998 in words is "four hundred twenty-two million, four hundred thirty thousand, nine hundred ninety-eight".