228882143531 has 2 divisors, whose sum is σ = 228882143532. Its totient is φ = 228882143530.

The previous prime is 228882143491. The next prime is 228882143603. The reversal of 228882143531 is 135341288822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228882143531 - 2⁶ = 228882143467 is a prime.

It is a super-2 number, since 2×228882143531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228882148531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114441071765 + 114441071766.

It is an arithmetic number, because the mean of its divisors is an integer number (114441071766).

Almost surely, 2^228882143531 is an apocalyptic number.

228882143531 is a deficient number, since it is larger than the sum of its proper divisors (1).

228882143531 is an equidigital number, since it uses as much as digits as its factorization.

228882143531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 737280, while the sum is 47.

The spelling of 228882143531 in words is "two hundred twenty-eight billion, eight hundred eighty-two million, one hundred forty-three thousand, five hundred thirty-one".