1098220413 has 4 divisors (see below), whose sum is σ = 1464293888. Its totient is φ = 732146940.

The previous prime is 1098220411. The next prime is 1098220429. The reversal of 1098220413 is 3140228901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1098220413 - 2¹ = 1098220411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098220411) 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, 183036733 + ... + 183036738.

It is an arithmetic number, because the mean of its divisors is an integer number (366073472).

Almost surely, 2^1098220413 is an apocalyptic number.

It is an amenable number.

1098220413 is a deficient number, since it is larger than the sum of its proper divisors (366073475).

1098220413 is an equidigital number, since it uses as much as digits as its factorization.

1098220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366073474.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1098220413 is about 33139.4087605678. The cubic root of 1098220413 is about 1031.7231385414.

The spelling of 1098220413 in words is "one billion, ninety-eight million, two hundred twenty thousand, four hundred thirteen".