229870642 has 16 divisors (see below), whose sum is σ = 357518592. Its totient is φ = 110730960.

The previous prime is 229870637. The next prime is 229870661. The reversal of 229870642 is 246078922.

229870642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 229870595 and 229870604.

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, 5908 + ... + 22240.

It is an arithmetic number, because the mean of its divisors is an integer number (22344912).

Almost surely, 2^229870642 is an apocalyptic number.

229870642 is a deficient number, since it is larger than the sum of its proper divisors (127647950).

229870642 is a wasteful number, since it uses less digits than its factorization.

229870642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16593.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 229870642 is about 15161.4854813109. The cubic root of 229870642 is about 612.5776812207.

The spelling of 229870642 in words is "two hundred twenty-nine million, eight hundred seventy thousand, six hundred forty-two".