221150352 has 20 divisors (see below), whose sum is σ = 571305200. Its totient is φ = 73716768.

The previous prime is 221150339. The next prime is 221150353. The reversal of 221150352 is 253051122.

221150352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221150353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2303602 + ... + 2303697.

It is an arithmetic number, because the mean of its divisors is an integer number (28565260).

Almost surely, 2^221150352 is an apocalyptic number.

It is an amenable number.

221150352 is an abundant number, since it is smaller than the sum of its proper divisors (350154848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221150352 is a wasteful number, since it uses less digits than its factorization.

221150352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607310 (or 4607304 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 221150352 is about 14871.1247725248. The cubic root of 221150352 is about 604.7314355660.

The spelling of 221150352 in words is "two hundred twenty-one million, one hundred fifty thousand, three hundred fifty-two".