22119973 has 2 divisors, whose sum is σ = 22119974. Its totient is φ = 22119972.

The previous prime is 22119961. The next prime is 22119989. The reversal of 22119973 is 37991122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22118209 + 1764 = 4703^2 + 42^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22119973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22119913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11059986 + 11059987.

It is an arithmetic number, because the mean of its divisors is an integer number (11059987).

Almost surely, 2^22119973 is an apocalyptic number.

It is an amenable number.

22119973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22119973 is an equidigital number, since it uses as much as digits as its factorization.

22119973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 34.

The square root of 22119973 is about 4703.1875361291. The cubic root of 22119973 is about 280.7123570508.

The spelling of 22119973 in words is "twenty-two million, one hundred nineteen thousand, nine hundred seventy-three".