226648945 has 8 divisors (see below), whose sum is σ = 272751336. Its totient is φ = 180804096.

The previous prime is 226648937. The next prime is 226648951. The reversal of 226648945 is 549846622.

It can be written as a sum of positive squares in 4 ways, for example, as 28740321 + 197908624 = 5361^2 + 14068^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 226648945 - 2³ = 226648937 is a prime.

It is a super-2 number, since 2×226648945² = 102739488539226050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226648895 and 226648904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62442 + ... + 65971.

It is an arithmetic number, because the mean of its divisors is an integer number (34093917).

Almost surely, 2^226648945 is an apocalyptic number.

It is an amenable number.

226648945 is a deficient number, since it is larger than the sum of its proper divisors (46102391).

226648945 is a wasteful number, since it uses less digits than its factorization.

226648945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128771.

The product of its digits is 829440, while the sum is 46.

The square root of 226648945 is about 15054.8644962351. The cubic root of 226648945 is about 609.7023944683.

The spelling of 226648945 in words is "two hundred twenty-six million, six hundred forty-eight thousand, nine hundred forty-five".