228226999 has 48 divisors (see below), whose sum is σ = 321076224. Its totient is φ = 156657600.

The previous prime is 228226997. The next prime is 228227011. The reversal of 228226999 is 999622822.

It is not a de Polignac number, because 228226999 - 2¹ = 228226997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228226997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529314 + ... + 529744.

It is an arithmetic number, because the mean of its divisors is an integer number (6689088).

Almost surely, 2^228226999 is an apocalyptic number.

228226999 is a deficient number, since it is larger than the sum of its proper divisors (92849225).

228226999 is a wasteful number, since it uses less digits than its factorization.

228226999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 485 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 228226999 is about 15107.1836885635. The cubic root of 228226999 is about 611.1141503014.

The spelling of 228226999 in words is "two hundred twenty-eight million, two hundred twenty-six thousand, nine hundred ninety-nine".