1098662297 has 2 divisors, whose sum is σ = 1098662298. Its totient is φ = 1098662296.

The previous prime is 1098662287. The next prime is 1098662309. The reversal of 1098662297 is 7922668901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 832841881 + 265820416 = 28859^2 + 16304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098662297 - 2⁶ = 1098662233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1098662287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549331148 + 549331149.

It is an arithmetic number, because the mean of its divisors is an integer number (549331149).

Almost surely, 2^1098662297 is an apocalyptic number.

It is an amenable number.

1098662297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098662297 is an equidigital number, since it uses as much as digits as its factorization.

1098662297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 1098662297 is about 33146.0751371863. The cubic root of 1098662297 is about 1031.8614959572.

The spelling of 1098662297 in words is "one billion, ninety-eight million, six hundred sixty-two thousand, two hundred ninety-seven".