22454081 has 8 divisors (see below), whose sum is σ = 24243240. Its totient is φ = 20673792.

The previous prime is 22454071. The next prime is 22454087. The reversal of 22454081 is 18045422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33856 + 22420225 = 184^2 + 4735^2 .

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 22454081 - 2¹⁸ = 22191937 is a prime.

It is a super-2 number, since 2×22454081² = 1008371507109122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22454081.

It is not an unprimeable number, because it can be changed into a prime (22454087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3635 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (3030405).

Almost surely, 2^22454081 is an apocalyptic number.

It is an amenable number.

22454081 is a deficient number, since it is larger than the sum of its proper divisors (1789159).

22454081 is a wasteful number, since it uses less digits than its factorization.

22454081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 22454081 is about 4738.5737305649. The cubic root of 22454081 is about 282.1186270522.

The spelling of 22454081 in words is "twenty-two million, four hundred fifty-four thousand, eighty-one".