422309998 has 32 divisors (see below), whose sum is σ = 728922240. Its totient is φ = 181481760.

The previous prime is 422309981. The next prime is 422310011. The reversal of 422309998 is 899903224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322461 + ... + 323767.

It is an arithmetic number, because the mean of its divisors is an integer number (22778820).

Almost surely, 2^422309998 is an apocalyptic number.

422309998 is a deficient number, since it is larger than the sum of its proper divisors (306612242).

422309998 is a wasteful number, since it uses less digits than its factorization.

422309998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 422309998 is about 20550.1824322803. The cubic root of 422309998 is about 750.2576880449.

The spelling of 422309998 in words is "four hundred twenty-two million, three hundred nine thousand, nine hundred ninety-eight".