221149676 has 12 divisors (see below), whose sum is σ = 422194920. Its totient is φ = 100522560.

The previous prime is 221149673. The next prime is 221149681. The reversal of 221149676 is 676941122.

It is not an unprimeable number, because it can be changed into a prime (221149673) 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 3 ways as a sum of consecutive naturals, for example, 2513021 + ... + 2513108.

It is an arithmetic number, because the mean of its divisors is an integer number (35182910).

Almost surely, 2^221149676 is an apocalyptic number.

It is an amenable number.

221149676 is a deficient number, since it is larger than the sum of its proper divisors (201045244).

221149676 is a wasteful number, since it uses less digits than its factorization.

221149676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026144 (or 5026142 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 221149676 is about 14871.1020438971. The cubic root of 221149676 is about 604.7308193956.

The spelling of 221149676 in words is "two hundred twenty-one million, one hundred forty-nine thousand, six hundred seventy-six".