226669138 has 8 divisors (see below), whose sum is σ = 340536060. Its totient is φ = 113157120.

The previous prime is 226669129. The next prime is 226669139. The reversal of 226669138 is 831966622.

It can be written as a sum of positive squares in 2 ways, for example, as 201838849 + 24830289 = 14207^2 + 4983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 226669094 and 226669103.

It is not an unprimeable number, because it can be changed into a prime (226669139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87123 + ... + 89686.

Almost surely, 2^226669138 is an apocalyptic number.

226669138 is a deficient number, since it is larger than the sum of its proper divisors (113866922).

226669138 is a wasteful number, since it uses less digits than its factorization.

226669138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177452.

The product of its digits is 186624, while the sum is 43.

The square root of 226669138 is about 15055.5351283174. The cubic root of 226669138 is about 609.7205008175.

The spelling of 226669138 in words is "two hundred twenty-six million, six hundred sixty-nine thousand, one hundred thirty-eight".