22471973 has 8 divisors (see below), whose sum is σ = 23015640. Its totient is φ = 21934080.

The previous prime is 22471963. The next prime is 22472039. The reversal of 22471973 is 37917422.

It can be written as a sum of positive squares in 4 ways, for example, as 588289 + 21883684 = 767^2 + 4678^2 .

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 22471973 - 2¹⁸ = 22209829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22471963) 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, 7013 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (2876955).

Almost surely, 2^22471973 is an apocalyptic number.

It is an amenable number.

22471973 is a deficient number, since it is larger than the sum of its proper divisors (543667).

22471973 is a wasteful number, since it uses less digits than its factorization.

22471973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887.

The product of its digits is 21168, while the sum is 35.

The square root of 22471973 is about 4740.4612644763. The cubic root of 22471973 is about 282.1935403291.

The spelling of 22471973 in words is "twenty-two million, four hundred seventy-one thousand, nine hundred seventy-three".