22530109 has 4 divisors (see below), whose sum is σ = 25748704. Its totient is φ = 19311516.

The previous prime is 22530107. The next prime is 22530139. The reversal of 22530109 is 90103522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22530109 - 2¹ = 22530107 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 22530109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609287 + ... + 1609300.

It is an arithmetic number, because the mean of its divisors is an integer number (6437176).

Almost surely, 2^22530109 is an apocalyptic number.

It is an amenable number.

22530109 is a deficient number, since it is larger than the sum of its proper divisors (3218595).

22530109 is an equidigital number, since it uses as much as digits as its factorization.

22530109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218594.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 22530109 is about 4746.5891964652. The cubic root of 22530109 is about 282.4366798852.

The spelling of 22530109 in words is "twenty-two million, five hundred thirty thousand, one hundred nine".