228279326 has 12 divisors (see below), whose sum is σ = 376378296. Its totient is φ = 103763220.

The previous prime is 228279277. The next prime is 228279343. The reversal of 228279326 is 623972822.

228279326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228279326² = 104222901358028552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471410 + ... + 471893.

It is an arithmetic number, because the mean of its divisors is an integer number (31364858).

Almost surely, 2^228279326 is an apocalyptic number.

228279326 is a deficient number, since it is larger than the sum of its proper divisors (148098970).

228279326 is a wasteful number, since it uses less digits than its factorization.

228279326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943327 (or 943316 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 228279326 is about 15108.9154475098. The cubic root of 228279326 is about 611.1608513588.

The spelling of 228279326 in words is "two hundred twenty-eight million, two hundred seventy-nine thousand, three hundred twenty-six".