1133221169 has 2 divisors, whose sum is σ = 1133221170. Its totient is φ = 1133221168.

The previous prime is 1133221153. The next prime is 1133221211. The reversal of 1133221169 is 9611223311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 835210000 + 298011169 = 28900^2 + 17263^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133221169 - 2⁴ = 1133221153 is a prime.

It is a super-2 number, since 2×1133221169² = 2568380435739453122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1133221469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566610584 + 566610585.

It is an arithmetic number, because the mean of its divisors is an integer number (566610585).

Almost surely, 2^1133221169 is an apocalyptic number.

It is an amenable number.

1133221169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133221169 is an equidigital number, since it uses as much as digits as its factorization.

1133221169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 1133221169 is about 33663.3505314014. The cubic root of 1133221169 is about 1042.5692053424.

The spelling of 1133221169 in words is "one billion, one hundred thirty-three million, two hundred twenty-one thousand, one hundred sixty-nine".