229018619 has 2 divisors, whose sum is σ = 229018620. Its totient is φ = 229018618.

The previous prime is 229018561. The next prime is 229018667. The reversal of 229018619 is 916810922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229018619 - 2¹² = 229014523 is a prime.

It is a super-2 number, since 2×229018619² = 104899055697334322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229018019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114509309 + 114509310.

It is an arithmetic number, because the mean of its divisors is an integer number (114509310).

Almost surely, 2^229018619 is an apocalyptic number.

229018619 is a deficient number, since it is larger than the sum of its proper divisors (1).

229018619 is an equidigital number, since it uses as much as digits as its factorization.

229018619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 229018619 is about 15133.3611269936. The cubic root of 229018619 is about 611.8198978419.

The spelling of 229018619 in words is "two hundred twenty-nine million, eighteen thousand, six hundred nineteen".