226649872 has 10 divisors (see below), whose sum is σ = 439134158. Its totient is φ = 113324928.

The previous prime is 226649869. The next prime is 226649881. The reversal of 226649872 is 278946622.

It can be written as a sum of positive squares in only one way, i.e., 225720576 + 929296 = 15024^2 + 964^2 .

It is an unprimeable 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, 7082793 + ... + 7082824.

Almost surely, 2^226649872 is an apocalyptic number.

It is an amenable number.

226649872 is a deficient number, since it is larger than the sum of its proper divisors (212484286).

226649872 is a wasteful number, since it uses less digits than its factorization.

226649872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14165625 (or 14165619 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 226649872 is about 15054.8952835946. The cubic root of 226649872 is about 609.7032257000.

The spelling of 226649872 in words is "two hundred twenty-six million, six hundred forty-nine thousand, eight hundred seventy-two".