229951 has 4 divisors (see below), whose sum is σ = 231192. Its totient is φ = 228712.

The previous prime is 229949. The next prime is 229961. The reversal of 229951 is 159922.

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

It is a cyclic number.

It is not a de Polignac number, because 229951 - 2¹ = 229949 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280 + ... + 733.

It is an arithmetic number, because the mean of its divisors is an integer number (57798).

2²²⁹⁹⁵¹ is an apocalyptic number.

229951 is a deficient number, since it is larger than the sum of its proper divisors (1241).

229951 is a wasteful number, since it uses less digits than its factorization.

229951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240.

The product of its digits is 1620, while the sum is 28.

The square root of 229951 is about 479.5320635787. The cubic root of 229951 is about 61.2649054381.

The spelling of 229951 in words is "two hundred twenty-nine thousand, nine hundred fifty-one".