1098492229 has 2 divisors, whose sum is σ = 1098492230. Its totient is φ = 1098492228.

The previous prime is 1098492211. The next prime is 1098492287. The reversal of 1098492229 is 9222948901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942367204 + 156125025 = 30698^2 + 12495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098492229 - 2¹⁷ = 1098361157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098492929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549246114 + 549246115.

It is an arithmetic number, because the mean of its divisors is an integer number (549246115).

Almost surely, 2^1098492229 is an apocalyptic number.

It is an amenable number.

1098492229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098492229 is an equidigital number, since it uses as much as digits as its factorization.

1098492229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1098492229 is about 33143.5096059545. The cubic root of 1098492229 is about 1031.8082506979.

The spelling of 1098492229 in words is "one billion, ninety-eight million, four hundred ninety-two thousand, two hundred twenty-nine".