22855473 has 8 divisors (see below), whose sum is σ = 33860000. Its totient is φ = 15236964.

The previous prime is 22855457. The next prime is 22855477. The reversal of 22855473 is 37455822.

It is not a de Polignac number, because 22855473 - 2⁴ = 22855457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22855477) 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, 423223 + ... + 423276.

It is an arithmetic number, because the mean of its divisors is an integer number (4232500).

Almost surely, 2^22855473 is an apocalyptic number.

It is an amenable number.

22855473 is a deficient number, since it is larger than the sum of its proper divisors (11004527).

22855473 is an equidigital number, since it uses as much as digits as its factorization.

22855473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846508 (or 846502 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 22855473 is about 4780.7397963077. The cubic root of 22855473 is about 283.7897711853.

The spelling of 22855473 in words is "twenty-two million, eight hundred fifty-five thousand, four hundred seventy-three".