228442853 has 2 divisors, whose sum is σ = 228442854. Its totient is φ = 228442852.

The previous prime is 228442771. The next prime is 228442861. The reversal of 228442853 is 358244822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225210049 + 3232804 = 15007^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 228442853 - 2²⁴ = 211665637 is a prime.

It is a super-2 number, since 2×228442853² = 104372274173559218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228442153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114221426 + 114221427.

It is an arithmetic number, because the mean of its divisors is an integer number (114221427).

Almost surely, 2^228442853 is an apocalyptic number.

It is an amenable number.

228442853 is a deficient number, since it is larger than the sum of its proper divisors (1).

228442853 is an equidigital number, since it uses as much as digits as its factorization.

228442853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122880, while the sum is 38.

The square root of 228442853 is about 15114.3260848772. The cubic root of 228442853 is about 611.3067507526.

The spelling of 228442853 in words is "two hundred twenty-eight million, four hundred forty-two thousand, eight hundred fifty-three".