109223525 has 12 divisors (see below), whose sum is σ = 136144932. Its totient is φ = 86922240.

The previous prime is 109223503. The next prime is 109223531. The reversal of 109223525 is 525322901.

It can be written as a sum of positive squares in 6 ways, for example, as 16467364 + 92756161 = 4058^2 + 9631^2 .

It is not a de Polignac number, because 109223525 - 2¹⁶ = 109157989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6494 + ... + 16143.

It is an arithmetic number, because the mean of its divisors is an integer number (11345411).

Almost surely, 2^109223525 is an apocalyptic number.

It is an amenable number.

109223525 is a deficient number, since it is larger than the sum of its proper divisors (26921407).

109223525 is a wasteful number, since it uses less digits than its factorization.

109223525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22840 (or 22835 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 109223525 is about 10451.0059324450. The cubic root of 109223525 is about 478.0119232217.

The spelling of 109223525 in words is "one hundred nine million, two hundred twenty-three thousand, five hundred twenty-five".