221013068 has 12 divisors (see below), whose sum is σ = 387278640. Its totient is φ = 110362032.

The previous prime is 221013059. The next prime is 221013071. The reversal of 221013068 is 860310122.

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, 32648 + ... + 38831.

It is an arithmetic number, because the mean of its divisors is an integer number (32273220).

Almost surely, 2^221013068 is an apocalyptic number.

It is an amenable number.

221013068 is a deficient number, since it is larger than the sum of its proper divisors (166265572).

221013068 is a wasteful number, since it uses less digits than its factorization.

221013068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72256 (or 72254 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 221013068 is about 14866.5082652249. The cubic root of 221013068 is about 604.6062761674.

The spelling of 221013068 in words is "two hundred twenty-one million, thirteen thousand, sixty-eight".