221413348 has 12 divisors (see below), whose sum is σ = 417279100. Its totient is φ = 102190752.

The previous prime is 221413343. The next prime is 221413391. The reversal of 221413348 is 843314122.

221413348 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 123165604 + 98247744 = 11098^2 + 9912^2 .

It is not an unprimeable number, because it can be changed into a prime (221413343) 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, 2128923 + ... + 2129026.

Almost surely, 2^221413348 is an apocalyptic number.

It is an amenable number.

221413348 is a deficient number, since it is larger than the sum of its proper divisors (195865752).

221413348 is a wasteful number, since it uses less digits than its factorization.

221413348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257966 (or 4257964 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 221413348 is about 14879.9646504956. The cubic root of 221413348 is about 604.9710597909.

The spelling of 221413348 in words is "two hundred twenty-one million, four hundred thirteen thousand, three hundred forty-eight".