22727473 has 8 divisors (see below), whose sum is σ = 23889600. Its totient is φ = 21579888.

The previous prime is 22727437. The next prime is 22727479. The reversal of 22727473 is 37472722.

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

It is not a de Polignac number, because 22727473 - 2⁹ = 22726961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22727479) 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, 358 + ... + 6751.

It is an arithmetic number, because the mean of its divisors is an integer number (2986200).

Almost surely, 2^22727473 is an apocalyptic number.

22727473 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22727473 is a deficient number, since it is larger than the sum of its proper divisors (1162127).

22727473 is a wasteful number, since it uses less digits than its factorization.

22727473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271.

The product of its digits is 32928, while the sum is 34.

The square root of 22727473 is about 4767.3339509625. Note that the first 3 decimals coincide. The cubic root of 22727473 is about 283.2589994926.

The spelling of 22727473 in words is "twenty-two million, seven hundred twenty-seven thousand, four hundred seventy-three".