1132221197 has 2 divisors, whose sum is σ = 1132221198. Its totient is φ = 1132221196.

The previous prime is 1132221193. The next prime is 1132221221. The reversal of 1132221197 is 7911222311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 892157161 + 240064036 = 29869^2 + 15494^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132221197 - 2² = 1132221193 is a prime.

It is a super-2 number, since 2×1132221197² = 2563849677872225618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1132221193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566110598 + 566110599.

It is an arithmetic number, because the mean of its divisors is an integer number (566110599).

Almost surely, 2^1132221197 is an apocalyptic number.

It is an amenable number.

1132221197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132221197 is an equidigital number, since it uses as much as digits as its factorization.

1132221197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 29.

The square root of 1132221197 is about 33648.4947211610. The cubic root of 1132221197 is about 1042.2624553323.

The spelling of 1132221197 in words is "one billion, one hundred thirty-two million, two hundred twenty-one thousand, one hundred ninety-seven".