100221032 has 8 divisors (see below), whose sum is σ = 187914450. Its totient is φ = 50110512.

The previous prime is 100221019. The next prime is 100221073. The reversal of 100221032 is 230122001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 95140516 + 5080516 = 9754^2 + 2254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263807 + ... + 6263822.

Almost surely, 2^100221032 is an apocalyptic number.

It is an amenable number.

100221032 is a deficient number, since it is larger than the sum of its proper divisors (87693418).

100221032 is a wasteful number, since it uses less digits than its factorization.

100221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12527635 (or 12527631 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100221032 is about 10011.0454998467. The cubic root of 100221032 is about 464.5006115962.

Adding to 100221032 its reverse (230122001), we get a palindrome (330343033).

The spelling of 100221032 in words is "one hundred million, two hundred twenty-one thousand, thirty-two".