22303109 has 4 divisors (see below), whose sum is σ = 22312620. Its totient is φ = 22293600.

The previous prime is 22303103. The next prime is 22303147. The reversal of 22303109 is 90130322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 494209 + 21808900 = 703^2 + 4670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22303109 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 (22303103) 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, 1547 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (5578155).

Almost surely, 2^22303109 is an apocalyptic number.

It is an amenable number.

22303109 is a deficient number, since it is larger than the sum of its proper divisors (9511).

22303109 is an equidigital number, since it uses as much as digits as its factorization.

22303109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 22303109 is about 4722.6167534535. The cubic root of 22303109 is about 281.4849214823.

The spelling of 22303109 in words is "twenty-two million, three hundred three thousand, one hundred nine".