229597971 has 8 divisors (see below), whose sum is σ = 324138384. Its totient is φ = 144061440.

The previous prime is 229597943. The next prime is 229597981. The reversal of 229597971 is 179795922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-229597971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 4501921 = 229597971 / (2 + 2 + 9 + 5 + 9 + 7 + 9 + 7 + 1).

It is not an unprimeable number, because it can be changed into a prime (229597981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2250910 + ... + 2251011.

It is an arithmetic number, because the mean of its divisors is an integer number (40517298).

Almost surely, 2^229597971 is an apocalyptic number.

229597971 is a deficient number, since it is larger than the sum of its proper divisors (94540413).

229597971 is a wasteful number, since it uses less digits than its factorization.

229597971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501941.

The product of its digits is 714420, while the sum is 51.

The square root of 229597971 is about 15152.4905873589. The cubic root of 229597971 is about 612.3353735542.

The spelling of 229597971 in words is "two hundred twenty-nine million, five hundred ninety-seven thousand, nine hundred seventy-one".