228022957 has 2 divisors, whose sum is σ = 228022958. Its totient is φ = 228022956.

The previous prime is 228022939. The next prime is 228022973. The reversal of 228022957 is 759220822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137030436 + 90992521 = 11706^2 + 9539^2 .

It is a cyclic number.

It is not a de Polignac number, because 228022957 - 2¹⁹ = 227498669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228022357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114011478 + 114011479.

It is an arithmetic number, because the mean of its divisors is an integer number (114011479).

Almost surely, 2^228022957 is an apocalyptic number.

It is an amenable number.

228022957 is a deficient number, since it is larger than the sum of its proper divisors (1).

228022957 is an equidigital number, since it uses as much as digits as its factorization.

228022957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 228022957 is about 15100.4290336401. The cubic root of 228022957 is about 610.9319776805.

The spelling of 228022957 in words is "two hundred twenty-eight million, twenty-two thousand, nine hundred fifty-seven".