109228425 has 24 divisors (see below), whose sum is σ = 183294816. Its totient is φ = 57383040.

The previous prime is 109228421. The next prime is 109228429. The reversal of 109228425 is 524822901.

It is an interprime number because it is at equal distance from previous prime (109228421) and next prime (109228429).

It is not a de Polignac number, because 109228425 - 2² = 109228421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109228421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5844 + ... + 15893.

It is an arithmetic number, because the mean of its divisors is an integer number (7637284).

Almost surely, 2^109228425 is an apocalyptic number.

109228425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109228425 is a deficient number, since it is larger than the sum of its proper divisors (74066391).

109228425 is a wasteful number, since it uses less digits than its factorization.

109228425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21817 (or 21812 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 109228425 is about 10451.2403570103. The cubic root of 109228425 is about 478.0190713258.

The spelling of 109228425 in words is "one hundred nine million, two hundred twenty-eight thousand, four hundred twenty-five".