100221532 has 6 divisors (see below), whose sum is σ = 175387688. Its totient is φ = 50110764.

The previous prime is 100221521. The next prime is 100221551. The reversal of 100221532 is 235122001.

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, 12527688 + ... + 12527695.

Almost surely, 2^100221532 is an apocalyptic number.

It is an amenable number.

100221532 is a deficient number, since it is larger than the sum of its proper divisors (75166156).

100221532 is a wasteful number, since it uses less digits than its factorization.

100221532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25055387 (or 25055385 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100221532 is about 10011.0704722322. The cubic root of 100221532 is about 464.5013840553.

Adding to 100221532 its reverse (235122001), we get a palindrome (335343533).

The spelling of 100221532 in words is "one hundred million, two hundred twenty-one thousand, five hundred thirty-two".