229978858 has 4 divisors (see below), whose sum is σ = 344968290. Its totient is φ = 114989428.

The previous prime is 229978841. The next prime is 229978867. The reversal of 229978858 is 858879922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 858879922 = 2 ⋅429439961.

It can be written as a sum of positive squares in only one way, i.e., 214241769 + 15737089 = 14637^2 + 3967^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57494713 + ... + 57494716.

Almost surely, 2^229978858 is an apocalyptic number.

229978858 is a deficient number, since it is larger than the sum of its proper divisors (114989432).

229978858 is a wasteful number, since it uses less digits than its factorization.

229978858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114989431.

The product of its digits is 5806080, while the sum is 58.

The square root of 229978858 is about 15165.0538409859. The cubic root of 229978858 is about 612.6737936921.

The spelling of 229978858 in words is "two hundred twenty-nine million, nine hundred seventy-eight thousand, eight hundred fifty-eight".