22285265 has 8 divisors (see below), whose sum is σ = 27018600. Its totient is φ = 17644032.

The previous prime is 22285261. The next prime is 22285273. The reversal of 22285265 is 56258222.

It can be written as a sum of positive squares in 4 ways, for example, as 4879681 + 17405584 = 2209^2 + 4172^2 .

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 22285265 - 2² = 22285261 is a prime.

It is a super-2 number, since 2×22285265² = 993266072240450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22285261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22490 + ... + 23459.

It is an arithmetic number, because the mean of its divisors is an integer number (3377325).

Almost surely, 2^22285265 is an apocalyptic number.

It is an amenable number.

22285265 is a deficient number, since it is larger than the sum of its proper divisors (4733335).

22285265 is an equidigital number, since it uses as much as digits as its factorization.

22285265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46051.

The product of its digits is 19200, while the sum is 32.

The square root of 22285265 is about 4720.7271685621. The cubic root of 22285265 is about 281.4098324433.

The spelling of 22285265 in words is "twenty-two million, two hundred eighty-five thousand, two hundred sixty-five".