229170149 has 16 divisors (see below), whose sum is σ = 262230192. Its totient is φ = 198402048.

The previous prime is 229170143. The next prime is 229170173. The reversal of 229170149 is 941071922.

It can be written as a sum of positive squares in 8 ways, for example, as 4919524 + 224250625 = 2218^2 + 14975^2 .

It is not a de Polignac number, because 229170149 - 2¹⁶ = 229104613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229170143) 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 15 ways as a sum of consecutive naturals, for example, 67517 + ... + 70829.

It is an arithmetic number, because the mean of its divisors is an integer number (16389387).

Almost surely, 2^229170149 is an apocalyptic number.

It is an amenable number.

229170149 is a deficient number, since it is larger than the sum of its proper divisors (33060043).

229170149 is a wasteful number, since it uses less digits than its factorization.

229170149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 229170149 is about 15138.3667877351. The cubic root of 229170149 is about 611.9548048203.

The spelling of 229170149 in words is "two hundred twenty-nine million, one hundred seventy thousand, one hundred forty-nine".