22006973 has 2 divisors, whose sum is σ = 22006974. Its totient is φ = 22006972.

The previous prime is 22006967. The next prime is 22006979. The reversal of 22006973 is 37960022.

It is a balanced prime because it is at equal distance from previous prime (22006967) and next prime (22006979).

It can be written as a sum of positive squares in only one way, i.e., 21921124 + 85849 = 4682^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 22006973 - 2¹⁴ = 21990589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22006979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11003486 + 11003487.

It is an arithmetic number, because the mean of its divisors is an integer number (11003487).

Almost surely, 2^22006973 is an apocalyptic number.

It is an amenable number.

22006973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22006973 is an equidigital number, since it uses as much as digits as its factorization.

22006973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 22006973 is about 4691.1590252303. The cubic root of 22006973 is about 280.2335339085.

Adding to 22006973 its reverse (37960022), we get a palindrome (59966995).

The spelling of 22006973 in words is "twenty-two million, six thousand, nine hundred seventy-three".