229105977 has 4 divisors (see below), whose sum is σ = 305474640. Its totient is φ = 152737316.

The previous prime is 229105883. The next prime is 229106011. The reversal of 229105977 is 779501922.

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 229105977 - 2¹¹ = 229103929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229105577) 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, 38184327 + ... + 38184332.

It is an arithmetic number, because the mean of its divisors is an integer number (76368660).

Almost surely, 2^229105977 is an apocalyptic number.

It is an amenable number.

229105977 is a deficient number, since it is larger than the sum of its proper divisors (76368663).

229105977 is an equidigital number, since it uses as much as digits as its factorization.

229105977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76368662.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 229105977 is about 15136.2471240397. The cubic root of 229105977 is about 611.8976798269.

The spelling of 229105977 in words is "two hundred twenty-nine million, one hundred five thousand, nine hundred seventy-seven".