228000121519 has 2 divisors, whose sum is σ = 228000121520. Its totient is φ = 228000121518.

The previous prime is 228000121471. The next prime is 228000121523. The reversal of 228000121519 is 915121000822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228000121519 - 2¹⁷ = 227999990447 is a prime.

It is a super-2 number, since 2×228000121519² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228000121589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114000060759 + 114000060760.

It is an arithmetic number, because the mean of its divisors is an integer number (114000060760).

Almost surely, 2^228000121519 is an apocalyptic number.

228000121519 is a deficient number, since it is larger than the sum of its proper divisors (1).

228000121519 is an equidigital number, since it uses as much as digits as its factorization.

228000121519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 228000121519 in words is "two hundred twenty-eight billion, one hundred twenty-one thousand, five hundred nineteen".