228484831 has 2 divisors, whose sum is σ = 228484832. Its totient is φ = 228484830.

The previous prime is 228484801. The next prime is 228484859. The reversal of 228484831 is 138484822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228484831 - 2⁵ = 228484799 is a prime.

It is a super-2 number, since 2×228484831² = 104410635994197122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228484801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114242415 + 114242416.

It is an arithmetic number, because the mean of its divisors is an integer number (114242416).

Almost surely, 2^228484831 is an apocalyptic number.

228484831 is a deficient number, since it is larger than the sum of its proper divisors (1).

228484831 is an equidigital number, since it uses as much as digits as its factorization.

228484831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98304, while the sum is 40.

The square root of 228484831 is about 15115.7147035792. The cubic root of 228484831 is about 611.3441924479.

Subtracting from 228484831 its reverse (138484822), we obtain a palindrome (90000009).

The spelling of 228484831 in words is "two hundred twenty-eight million, four hundred eighty-four thousand, eight hundred thirty-one".