226989279 has 24 divisors (see below), whose sum is σ = 358182864. Its totient is φ = 137376000.

The previous prime is 226989241. The next prime is 226989283. The reversal of 226989279 is 972989622.

It is a happy number.

It is not a de Polignac number, because 226989279 - 2¹⁹ = 226464991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226989209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103959 + ... + 106119.

It is an arithmetic number, because the mean of its divisors is an integer number (14924286).

Almost surely, 2^226989279 is an apocalyptic number.

226989279 is a deficient number, since it is larger than the sum of its proper divisors (131193585).

226989279 is a wasteful number, since it uses less digits than its factorization.

226989279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239 (or 3236 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 226989279 is about 15066.1633802372. The cubic root of 226989279 is about 610.0074163749.

The spelling of 226989279 in words is "two hundred twenty-six million, nine hundred eighty-nine thousand, two hundred seventy-nine".