229372198511 has 2 divisors, whose sum is σ = 229372198512. Its totient is φ = 229372198510.

The previous prime is 229372198493. The next prime is 229372198571. The reversal of 229372198511 is 115891273922.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229372198511 is a prime.

It is a super-2 number, since 2×229372198511² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 229372198511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229372198571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114686099255 + 114686099256.

It is an arithmetic number, because the mean of its divisors is an integer number (114686099256).

Almost surely, 2^229372198511 is an apocalyptic number.

229372198511 is a deficient number, since it is larger than the sum of its proper divisors (1).

229372198511 is an equidigital number, since it uses as much as digits as its factorization.

229372198511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 50.

The spelling of 229372198511 in words is "two hundred twenty-nine billion, three hundred seventy-two million, one hundred ninety-eight thousand, five hundred eleven".