229391151 has 8 divisors (see below), whose sum is σ = 333659904. Its totient is φ = 139024920.

The previous prime is 229391147. The next prime is 229391203. The reversal of 229391151 is 151193922.

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

It is not a de Polignac number, because 229391151 - 2² = 229391147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6951247 = 229391151 / (2 + 2 + 9 + 3 + 9 + 1 + 1 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229391101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3475591 + ... + 3475656.

It is an arithmetic number, because the mean of its divisors is an integer number (41707488).

Almost surely, 2^229391151 is an apocalyptic number.

229391151 is a deficient number, since it is larger than the sum of its proper divisors (104268753).

229391151 is a wasteful number, since it uses less digits than its factorization.

229391151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951261.

The product of its digits is 4860, while the sum is 33.

The square root of 229391151 is about 15145.6644291361. The cubic root of 229391151 is about 612.1514560645.

It can be divided in two parts, 22939 and 1151, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 229391151 in words is "two hundred twenty-nine million, three hundred ninety-one thousand, one hundred fifty-one".