229339891 has 12 divisors (see below), whose sum is σ = 260220352. Its totient is φ = 201762000.

The previous prime is 229339883. The next prime is 229339897. The reversal of 229339891 is 198933922.

It is not a de Polignac number, because 229339891 - 2³ = 229339883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229339897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26820 + ... + 34321.

Almost surely, 2^229339891 is an apocalyptic number.

229339891 is a deficient number, since it is larger than the sum of its proper divisors (30880461).

229339891 is a wasteful number, since it uses less digits than its factorization.

229339891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61194 (or 61183 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 229339891 is about 15143.9721011365. The cubic root of 229339891 is about 612.1058553208.

The spelling of 229339891 in words is "two hundred twenty-nine million, three hundred thirty-nine thousand, eight hundred ninety-one".