28366626226 has 8 divisors (see below), whose sum is σ = 43539472944. Its totient is φ = 13853468580.

The previous prime is 28366626221. The next prime is 28366626247. The reversal of 28366626226 is 62262666382.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28366626226.

It is not an unprimeable number, because it can be changed into a prime (28366626221) 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, 164922160 + ... + 164922331.

It is an arithmetic number, because the mean of its divisors is an integer number (5442434118).

Almost surely, 2^28366626226 is an apocalyptic number.

28366626226 is a deficient number, since it is larger than the sum of its proper divisors (15172846718).

28366626226 is a wasteful number, since it uses less digits than its factorization.

28366626226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329844536.

The product of its digits is 2985984, while the sum is 49.

The spelling of 28366626226 in words is "twenty-eight billion, three hundred sixty-six million, six hundred twenty-six thousand, two hundred twenty-six".