229911982 has 4 divisors (see below), whose sum is σ = 344867976. Its totient is φ = 114955990.

The previous prime is 229911973. The next prime is 229912003. The reversal of 229911982 is 289119922.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57477994 + ... + 57477997.

It is an arithmetic number, because the mean of its divisors is an integer number (86216994).

Almost surely, 2^229911982 is an apocalyptic number.

229911982 is a deficient number, since it is larger than the sum of its proper divisors (114955994).

229911982 is a wasteful number, since it uses less digits than its factorization.

229911982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114955993.

The product of its digits is 46656, while the sum is 43.

The square root of 229911982 is about 15162.8487428979. The cubic root of 229911982 is about 612.6144010662.

The spelling of 229911982 in words is "two hundred twenty-nine million, nine hundred eleven thousand, nine hundred eighty-two".