22307105 has 4 divisors (see below), whose sum is σ = 26768532. Its totient is φ = 17845680.

The previous prime is 22307101. The next prime is 22307107. The reversal of 22307105 is 50170322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3157729 + 19149376 = 1777^2 + 4376^2 .

It is not a de Polignac number, because 22307105 - 2² = 22307101 is a prime.

It is a super-3 number, since 3×22307105³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22307101) 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, 2230706 + ... + 2230715.

It is an arithmetic number, because the mean of its divisors is an integer number (6692133).

Almost surely, 2^22307105 is an apocalyptic number.

It is an amenable number.

22307105 is a deficient number, since it is larger than the sum of its proper divisors (4461427).

22307105 is an equidigital number, since it uses as much as digits as its factorization.

22307105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461426.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 22307105 is about 4723.0398050408. The cubic root of 22307105 is about 281.5017314941.

Adding to 22307105 its reverse (50170322), we get a palindrome (72477427).

The spelling of 22307105 in words is "twenty-two million, three hundred seven thousand, one hundred five".