228267642223 has 2 divisors, whose sum is σ = 228267642224. Its totient is φ = 228267642222.

The previous prime is 228267642193. The next prime is 228267642247. The reversal of 228267642223 is 322246762822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228267642223 - 2⁵ = 228267642191 is a prime.

It is a super-2 number, since 2×228267642223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228267642523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114133821111 + 114133821112.

It is an arithmetic number, because the mean of its divisors is an integer number (114133821112).

Almost surely, 2^228267642223 is an apocalyptic number.

228267642223 is a deficient number, since it is larger than the sum of its proper divisors (1).

228267642223 is an equidigital number, since it uses as much as digits as its factorization.

228267642223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 46.

The spelling of 228267642223 in words is "two hundred twenty-eight billion, two hundred sixty-seven million, six hundred forty-two thousand, two hundred twenty-three".