228849253531 has 2 divisors, whose sum is σ = 228849253532. Its totient is φ = 228849253530.

The previous prime is 228849253519. The next prime is 228849253561. The reversal of 228849253531 is 135352948822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228849253531 - 2⁵ = 228849253499 is a prime.

It is a super-2 number, since 2×228849253531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228849253561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114424626765 + 114424626766.

It is an arithmetic number, because the mean of its divisors is an integer number (114424626766).

Almost surely, 2^228849253531 is an apocalyptic number.

228849253531 is a deficient number, since it is larger than the sum of its proper divisors (1).

228849253531 is an equidigital number, since it uses as much as digits as its factorization.

228849253531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 52.

The spelling of 228849253531 in words is "two hundred twenty-eight billion, eight hundred forty-nine million, two hundred fifty-three thousand, five hundred thirty-one".