203221132 has 12 divisors (see below), whose sum is σ = 355967136. Its totient is φ = 101516240.

The previous prime is 203221097. The next prime is 203221153. The reversal of 203221132 is 231122302.

It is a super-2 number, since 2×203221132² = 82597656982722848, which contains 22 as substring.

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, 18619 + ... + 27442.

It is an arithmetic number, because the mean of its divisors is an integer number (29663928).

Almost surely, 2^203221132 is an apocalyptic number.

It is an amenable number.

203221132 is a deficient number, since it is larger than the sum of its proper divisors (152746004).

203221132 is a wasteful number, since it uses less digits than its factorization.

203221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47168 (or 47166 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 203221132 is about 14255.5649484684. The cubic root of 203221132 is about 587.9263910509.

Adding to 203221132 its reverse (231122302), we get a palindrome (434343434).

The spelling of 203221132 in words is "two hundred three million, two hundred twenty-one thousand, one hundred thirty-two".