108222409 has 9 divisors (see below), whose sum is σ = 110376039. Its totient is φ = 106110600.

The previous prime is 108222407. The next prime is 108222419. The reversal of 108222409 is 904222801.

The square root of 108222409 is 10403.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 103978809 + 4243600 = 10197^2 + 2060^2 .

It is not a de Polignac number, because 108222409 - 2¹ = 108222407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108222407) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1050652 + ... + 1050754.

Almost surely, 2^108222409 is an apocalyptic number.

108222409 is the 10403-rd square number.

108222409 is the 5202-nd centered octagonal number.

It is an amenable number.

108222409 is a deficient number, since it is larger than the sum of its proper divisors (2153630).

108222409 is an frugal number, since it uses more digits than its factorization.

108222409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The cubic root of 108222409 is about 476.5469917067.

Multiplying 108222409 by its product of nonzero digits (2304), we get a square (249344430336 = 499344²).

It can be divided in two parts, 10822 and 2409, that added together give a palindrome (13231).

The spelling of 108222409 in words is "one hundred eight million, two hundred twenty-two thousand, four hundred nine".