22207973 has 2 divisors, whose sum is σ = 22207974. Its totient is φ = 22207972.

The previous prime is 22207919. The next prime is 22208009. The reversal of 22207973 is 37970222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13786369 + 8421604 = 3713^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 22207973 - 2¹² = 22203877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22207373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11103986 + 11103987.

It is an arithmetic number, because the mean of its divisors is an integer number (11103987).

Almost surely, 2^22207973 is an apocalyptic number.

It is an amenable number.

22207973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22207973 is an equidigital number, since it uses as much as digits as its factorization.

22207973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 22207973 is about 4712.5336073072. The cubic root of 22207973 is about 281.0841176215.

The spelling of 22207973 in words is "twenty-two million, two hundred seven thousand, nine hundred seventy-three".