221048104 has 16 divisors (see below), whose sum is σ = 427835520. Its totient is φ = 106958640.

The previous prime is 221048099. The next prime is 221048119. The reversal of 221048104 is 401840122.

221048104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445414 + ... + 445909.

It is an arithmetic number, because the mean of its divisors is an integer number (26739720).

Almost surely, 2^221048104 is an apocalyptic number.

It is an amenable number.

221048104 is a deficient number, since it is larger than the sum of its proper divisors (206787416).

221048104 is a wasteful number, since it uses less digits than its factorization.

221048104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891360 (or 891356 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 221048104 is about 14867.6865718914. The cubic root of 221048104 is about 604.6382227946.

Adding to 221048104 its reverse (401840122), we get a palindrome (622888226).

The spelling of 221048104 in words is "two hundred twenty-one million, forty-eight thousand, one hundred four".