228852293 has 2 divisors, whose sum is σ = 228852294. Its totient is φ = 228852292.

The previous prime is 228852257. The next prime is 228852307. The reversal of 228852293 is 392258822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220284964 + 8567329 = 14842^2 + 2927^2 .

It is a cyclic number.

It is not a de Polignac number, because 228852293 - 2¹⁶ = 228786757 is a prime.

It is a super-2 number, since 2×228852293² = 104746744022715698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228852293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228852593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114426146 + 114426147.

It is an arithmetic number, because the mean of its divisors is an integer number (114426147).

Almost surely, 2^228852293 is an apocalyptic number.

It is an amenable number.

228852293 is a deficient number, since it is larger than the sum of its proper divisors (1).

228852293 is an equidigital number, since it uses as much as digits as its factorization.

228852293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 228852293 is about 15127.8647865454. The cubic root of 228852293 is about 611.6717494779.

The spelling of 228852293 in words is "two hundred twenty-eight million, eight hundred fifty-two thousand, two hundred ninety-three".