22107265 has 8 divisors (see below), whose sum is σ = 26553960. Its totient is φ = 17668992.

The previous prime is 22107223. The next prime is 22107269. The reversal of 22107265 is 56270122.

It can be written as a sum of positive squares in 4 ways, for example, as 512656 + 21594609 = 716^2 + 4647^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22107265 - 2⁹ = 22106753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22107269) 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, 9277 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (3319245).

Almost surely, 2^22107265 is an apocalyptic number.

It is an amenable number.

22107265 is a deficient number, since it is larger than the sum of its proper divisors (4446695).

22107265 is a wasteful number, since it uses less digits than its factorization.

22107265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 22107265 is about 4701.8363433875. The cubic root of 22107265 is about 280.6585900173.

Adding to 22107265 its reverse (56270122), we get a palindrome (78377387).

The spelling of 22107265 in words is "twenty-two million, one hundred seven thousand, two hundred sixty-five".