22425109 has 8 divisors (see below), whose sum is σ = 25674368. Its totient is φ = 19187280.

The previous prime is 22425107. The next prime is 22425163. The reversal of 22425109 is 90152422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22425109 - 2¹ = 22425107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22425107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879 + ... + 6955.

It is an arithmetic number, because the mean of its divisors is an integer number (3209296).

Almost surely, 2^22425109 is an apocalyptic number.

It is an amenable number.

22425109 is a deficient number, since it is larger than the sum of its proper divisors (3249259).

22425109 is an equidigital number, since it uses as much as digits as its factorization.

22425109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22425109 is about 4735.5157058128. The cubic root of 22425109 is about 281.9972377041.

The spelling of 22425109 in words is "twenty-two million, four hundred twenty-five thousand, one hundred nine".