197222269 has 2 divisors, whose sum is σ = 197222270. Its totient is φ = 197222268.

The previous prime is 197222189. The next prime is 197222281. The reversal of 197222269 is 962222791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197037369 + 184900 = 14037^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 197222269 - 2¹³ = 197214077 is a prime.

It is a super-2 number, since 2×197222269² = 77793246779016722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197222569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98611134 + 98611135.

It is an arithmetic number, because the mean of its divisors is an integer number (98611135).

Almost surely, 2^197222269 is an apocalyptic number.

It is an amenable number.

197222269 is a deficient number, since it is larger than the sum of its proper divisors (1).

197222269 is an equidigital number, since it uses as much as digits as its factorization.

197222269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 197222269 is about 14043.5846207441. The cubic root of 197222269 is about 582.0835378409.

The spelling of 197222269 in words is "one hundred ninety-seven million, two hundred twenty-two thousand, two hundred sixty-nine".