228222093 has 48 divisors (see below), whose sum is σ = 365879808. Its totient is φ = 125875200.

The previous prime is 228222079. The next prime is 228222097. The reversal of 228222093 is 390222822.

228222093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228222093 - 2²² = 224027789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228222093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228222097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190705 + ... + 191897.

It is an arithmetic number, because the mean of its divisors is an integer number (7622496).

Almost surely, 2^228222093 is an apocalyptic number.

It is an amenable number.

228222093 is a deficient number, since it is larger than the sum of its proper divisors (137657715).

228222093 is a wasteful number, since it uses less digits than its factorization.

228222093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 228222093 is about 15107.0213146073. The cubic root of 228222093 is about 611.1097714045.

The spelling of 228222093 in words is "two hundred twenty-eight million, two hundred twenty-two thousand, ninety-three".