22085481 has 16 divisors (see below), whose sum is σ = 32269248. Its totient is φ = 13324800.

The previous prime is 22085419. The next prime is 22085489. The reversal of 22085481 is 18458022.

It is not a de Polignac number, because 22085481 - 2⁹ = 22084969 is a prime.

It is a super-2 number, since 2×22085481² = 975536942002722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22085489) 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, 6565 + ... + 9341.

It is an arithmetic number, because the mean of its divisors is an integer number (2016828).

Almost surely, 2^22085481 is an apocalyptic number.

It is an amenable number.

22085481 is a deficient number, since it is larger than the sum of its proper divisors (10183767).

22085481 is a wasteful number, since it uses less digits than its factorization.

22085481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 22085481 is about 4699.5192307299. The cubic root of 22085481 is about 280.5663748415.

The spelling of 22085481 in words is "twenty-two million, eighty-five thousand, four hundred eighty-one".