229021994 has 16 divisors (see below), whose sum is σ = 379556928. Its totient is φ = 103088832.

The previous prime is 229021987. The next prime is 229022033. The reversal of 229021994 is 499120922.

229021994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 145652 + ... + 147215.

It is an arithmetic number, because the mean of its divisors is an integer number (23722308).

Almost surely, 2^229021994 is an apocalyptic number.

229021994 is a deficient number, since it is larger than the sum of its proper divisors (150534934).

229021994 is a wasteful number, since it uses less digits than its factorization.

229021994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292909.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 229021994 is about 15133.4726351885. The cubic root of 229021994 is about 611.8229032482.

The spelling of 229021994 in words is "two hundred twenty-nine million, twenty-one thousand, nine hundred ninety-four".