228161296 has 20 divisors (see below), whose sum is σ = 482250384. Its totient is φ = 103709600.

The previous prime is 228161251. The next prime is 228161309. The reversal of 228161296 is 692161822.

228161296 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648010 + ... + 648361.

Almost surely, 2^228161296 is an apocalyptic number.

It is an amenable number.

228161296 is an abundant number, since it is smaller than the sum of its proper divisors (254089088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228161296 is a wasteful number, since it uses less digits than its factorization.

228161296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296390 (or 1296384 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 228161296 is about 15105.0089705369. The cubic root of 228161296 is about 611.0555012563.

The spelling of 228161296 in words is "two hundred twenty-eight million, one hundred sixty-one thousand, two hundred ninety-six".