1098722608 has 10 divisors (see below), whose sum is σ = 2128775084. Its totient is φ = 549361296.

The previous prime is 1098722549. The next prime is 1098722609. The reversal of 1098722608 is 8062278901.

It is not an unprimeable number, because it can be changed into a prime (1098722609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34335066 + ... + 34335097.

Almost surely, 2^1098722608 is an apocalyptic number.

It is an amenable number.

1098722608 is a deficient number, since it is larger than the sum of its proper divisors (1030052476).

1098722608 is an equidigital number, since it uses as much as digits as its factorization.

1098722608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68670171 (or 68670165 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1098722608 is about 33146.9849005909. The cubic root of 1098722608 is about 1031.8803769364.

The spelling of 1098722608 in words is "one billion, ninety-eight million, seven hundred twenty-two thousand, six hundred eight".