22473197 has 2 divisors, whose sum is σ = 22473198. Its totient is φ = 22473196.

The previous prime is 22473161. The next prime is 22473203. The reversal of 22473197 is 79137422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20529961 + 1943236 = 4531^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 22473197 - 2¹⁶ = 22407661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22473107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11236598 + 11236599.

It is an arithmetic number, because the mean of its divisors is an integer number (11236599).

Almost surely, 2^22473197 is an apocalyptic number.

It is an amenable number.

22473197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22473197 is an equidigital number, since it uses as much as digits as its factorization.

22473197 is an evil number, because the sum of its binary digits is even.

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

The square root of 22473197 is about 4740.5903640791. The cubic root of 22473197 is about 282.1986637277.

The spelling of 22473197 in words is "twenty-two million, four hundred seventy-three thousand, one hundred ninety-seven".