22061265 has 16 divisors (see below), whose sum is σ = 35429568. Its totient is φ = 11722176.

The previous prime is 22061227. The next prime is 22061269. The reversal of 22061265 is 56216022.

It is not a de Polignac number, because 22061265 - 2⁸ = 22061009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22061269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1647 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (2214348).

Almost surely, 2^22061265 is an apocalyptic number.

It is an amenable number.

22061265 is a deficient number, since it is larger than the sum of its proper divisors (13368303).

22061265 is a wasteful number, since it uses less digits than its factorization.

22061265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22061265 is about 4696.9420903392. The cubic root of 22061265 is about 280.4637934209.

Adding to 22061265 its reverse (56216022), we get a palindrome (78277287).

The spelling of 22061265 in words is "twenty-two million, sixty-one thousand, two hundred sixty-five".