229770197 has 4 divisors (see below), whose sum is σ = 231423360. Its totient is φ = 228117036.

The previous prime is 229770187. The next prime is 229770209. The reversal of 229770197 is 791077922.

229770197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 791077922 = 2 ⋅395538961.

It is a cyclic number.

It is not a de Polignac number, because 229770197 - 2⁶ = 229770133 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 (229770137) 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, 826373 + ... + 826650.

It is an arithmetic number, because the mean of its divisors is an integer number (57855840).

Almost surely, 2^229770197 is an apocalyptic number.

It is an amenable number.

229770197 is a deficient number, since it is larger than the sum of its proper divisors (1653163).

229770197 is a wasteful number, since it uses less digits than its factorization.

229770197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653162.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 229770197 is about 15158.1726141379. The cubic root of 229770197 is about 612.4884435970.

The spelling of 229770197 in words is "two hundred twenty-nine million, seven hundred seventy thousand, one hundred ninety-seven".