221034332 has 6 divisors (see below), whose sum is σ = 386810088. Its totient is φ = 110517164.

The previous prime is 221034329. The next prime is 221034349. The reversal of 221034332 is 233430122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27629288 + ... + 27629295.

It is an arithmetic number, because the mean of its divisors is an integer number (64468348).

Almost surely, 2^221034332 is an apocalyptic number.

It is an amenable number.

221034332 is a deficient number, since it is larger than the sum of its proper divisors (165775756).

221034332 is a wasteful number, since it uses less digits than its factorization.

221034332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55258587 (or 55258585 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 221034332 is about 14867.2234125946. The cubic root of 221034332 is about 604.6256655723.

Adding to 221034332 its reverse (233430122), we get a palindrome (454464454).

The spelling of 221034332 in words is "two hundred twenty-one million, thirty-four thousand, three hundred thirty-two".