221120548 has 12 divisors (see below), whose sum is σ = 422139312. Its totient is φ = 100509320.

The previous prime is 221120531. The next prime is 221120579. The reversal of 221120548 is 845021122.

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, 2512690 + ... + 2512777.

It is an arithmetic number, because the mean of its divisors is an integer number (35178276).

Almost surely, 2^221120548 is an apocalyptic number.

It is an amenable number.

221120548 is a deficient number, since it is larger than the sum of its proper divisors (201018764).

221120548 is a wasteful number, since it uses less digits than its factorization.

221120548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025482 (or 5025480 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 221120548 is about 14870.1226625741. The cubic root of 221120548 is about 604.7042681883.

The spelling of 221120548 in words is "two hundred twenty-one million, one hundred twenty thousand, five hundred forty-eight".