1098466231 has 4 divisors (see below), whose sum is σ = 1099206432. Its totient is φ = 1097726032.

The previous prime is 1098466217. The next prime is 1098466241. The reversal of 1098466231 is 1326648901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1098466231 - 2¹⁵ = 1098433463 is a prime.

It is a super-2 number, since 2×1098466231² = 2413256121294690722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098466241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367870 + ... + 370843.

It is an arithmetic number, because the mean of its divisors is an integer number (274801608).

Almost surely, 2^1098466231 is an apocalyptic number.

1098466231 is a deficient number, since it is larger than the sum of its proper divisors (740201).

1098466231 is an equidigital number, since it uses as much as digits as its factorization.

1098466231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740200.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1098466231 is about 33143.1174001481. The cubic root of 1098466231 is about 1031.8001107033.

The spelling of 1098466231 in words is "one billion, ninety-eight million, four hundred sixty-six thousand, two hundred thirty-one".