229797977273 has 4 divisors (see below), whose sum is σ = 230321435520. Its totient is φ = 229274519028.

The previous prime is 229797977263. The next prime is 229797977317. The reversal of 229797977273 is 372779797922.

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.

It is a cyclic number.

It is not a de Polignac number, because 229797977273 - 2¹² = 229797973177 is a prime.

It is a super-2 number, since 2×229797977273² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229797977197 and 229797977206.

It is not an unprimeable number, because it can be changed into a prime (229797977203) 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, 261728465 + ... + 261729342.

It is an arithmetic number, because the mean of its divisors is an integer number (57580358880).

Almost surely, 2^229797977273 is an apocalyptic number.

It is an amenable number.

229797977273 is a deficient number, since it is larger than the sum of its proper divisors (523458247).

229797977273 is an equidigital number, since it uses as much as digits as its factorization.

229797977273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523458246.

The product of its digits is 294055272, while the sum is 71.

The spelling of 229797977273 in words is "two hundred twenty-nine billion, seven hundred ninety-seven million, nine hundred seventy-seven thousand, two hundred seventy-three".