229272040819 has 2 divisors, whose sum is σ = 229272040820. Its totient is φ = 229272040818.

The previous prime is 229272040817. The next prime is 229272040831. The reversal of 229272040819 is 918040272922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229272040819 - 2¹ = 229272040817 is a prime.

It is a super-2 number, since 2×229272040819² (a number of 24 digits) contains 22 as substring.

Together with 229272040817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (229272040817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114636020409 + 114636020410.

It is an arithmetic number, because the mean of its divisors is an integer number (114636020410).

Almost surely, 2^229272040819 is an apocalyptic number.

229272040819 is a deficient number, since it is larger than the sum of its proper divisors (1).

229272040819 is an equidigital number, since it uses as much as digits as its factorization.

229272040819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 229272040819 in words is "two hundred twenty-nine billion, two hundred seventy-two million, forty thousand, eight hundred nineteen".