22007973 has 8 divisors (see below), whose sum is σ = 31601248. Its totient is φ = 13543344.

The previous prime is 22007963. The next prime is 22007977. The reversal of 22007973 is 37970022.

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

It is not a de Polignac number, because 22007973 - 2¹⁰ = 22006949 is a prime.

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 22007973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22007977) 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, 282115 + ... + 282192.

It is an arithmetic number, because the mean of its divisors is an integer number (3950156).

Almost surely, 2^22007973 is an apocalyptic number.

It is an amenable number.

22007973 is a deficient number, since it is larger than the sum of its proper divisors (9593275).

22007973 is a wasteful number, since it uses less digits than its factorization.

22007973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564323.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 22007973 is about 4691.2656074880. The cubic root of 22007973 is about 280.2377784615.

Adding to 22007973 its reverse (37970022), we get a palindrome (59977995).

The spelling of 22007973 in words is "twenty-two million, seven thousand, nine hundred seventy-three".