1099223029 has 2 divisors, whose sum is σ = 1099223030. Its totient is φ = 1099223028.

The previous prime is 1099223003. The next prime is 1099223051. The reversal of 1099223029 is 9203229901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 631366129 + 467856900 = 25127^2 + 21630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099223029 - 2⁹ = 1099222517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099223089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549611514 + 549611515.

It is an arithmetic number, because the mean of its divisors is an integer number (549611515).

Almost surely, 2^1099223029 is an apocalyptic number.

It is an amenable number.

1099223029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099223029 is an equidigital number, since it uses as much as digits as its factorization.

1099223029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 1099223029 is about 33154.5325558965. The cubic root of 1099223029 is about 1032.0370122359.

The spelling of 1099223029 in words is "one billion, ninety-nine million, two hundred twenty-three thousand, twenty-nine".