226988 has 6 divisors (see below), whose sum is σ = 397236. Its totient is φ = 113492.

The previous prime is 226943. The next prime is 226991. The reversal of 226988 is 889622.

It is an unprimeable number.

226988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28370 + ... + 28377.

It is an arithmetic number, because the mean of its divisors is an integer number (66206).

2²²⁶⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

226988 is a deficient number, since it is larger than the sum of its proper divisors (170248).

226988 is a wasteful number, since it uses less digits than its factorization.

226988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56751 (or 56749 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 226988 is about 476.4325765520. The cubic root of 226988 is about 61.0006270651. Note that the first 3 decimals are identical.

The spelling of 226988 in words is "two hundred twenty-six thousand, nine hundred eighty-eight".