422748398 has 16 divisors (see below), whose sum is σ = 642109680. Its totient is φ = 208718400.

The previous prime is 422748383. The next prime is 422748419. The reversal of 422748398 is 893847224.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209213 + ... + 211223.

It is an arithmetic number, because the mean of its divisors is an integer number (40131855).

Almost surely, 2^422748398 is an apocalyptic number.

422748398 is a deficient number, since it is larger than the sum of its proper divisors (219361282).

422748398 is a wasteful number, since it uses less digits than its factorization.

422748398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283.

The product of its digits is 774144, while the sum is 47.

The square root of 422748398 is about 20560.8462374485. The cubic root of 422748398 is about 750.5172124249.

It can be divided in two parts, 4227 and 48398, that added together give a palindrome (52625).

The spelling of 422748398 in words is "four hundred twenty-two million, seven hundred forty-eight thousand, three hundred ninety-eight".