22065473 has 8 divisors (see below), whose sum is σ = 23509728. Its totient is φ = 20637504.

The previous prime is 22065443. The next prime is 22065481. The reversal of 22065473 is 37456022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22065473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22065443) 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, 1211 + ... + 6752.

It is an arithmetic number, because the mean of its divisors is an integer number (2938716).

Almost surely, 2^22065473 is an apocalyptic number.

It is an amenable number.

22065473 is a deficient number, since it is larger than the sum of its proper divisors (1444255).

22065473 is a wasteful number, since it uses less digits than its factorization.

22065473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 22065473 is about 4697.3900200005. The cubic root of 22065473 is about 280.4816243206.

The spelling of 22065473 in words is "twenty-two million, sixty-five thousand, four hundred seventy-three".