102221332 has 6 divisors (see below), whose sum is σ = 178887338. Its totient is φ = 51110664.

The previous prime is 102221321. The next prime is 102221377. The reversal of 102221332 is 233122201.

It can be written as a sum of positive squares in only one way, i.e., 101525776 + 695556 = 10076^2 + 834^2 .

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, 12777663 + ... + 12777670.

Almost surely, 2^102221332 is an apocalyptic number.

It is an amenable number.

102221332 is a deficient number, since it is larger than the sum of its proper divisors (76666006).

102221332 is a wasteful number, since it uses less digits than its factorization.

102221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555337 (or 25555335 counting only the distinct ones).

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

The square root of 102221332 is about 10110.4565673366. The cubic root of 102221332 is about 467.5705815821.

Adding to 102221332 its reverse (233122201), we get a palindrome (335343533).

The spelling of 102221332 in words is "one hundred two million, two hundred twenty-one thousand, three hundred thirty-two".