2198464860 has 24 divisors (see below), whose sum is σ = 6155701776. Its totient is φ = 586257280.

The previous prime is 2198464843. The next prime is 2198464889. The reversal of 2198464860 is 684648912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18320481 + ... + 18320600.

It is an arithmetic number, because the mean of its divisors is an integer number (256487574).

Almost surely, 2^2198464860 is an apocalyptic number.

2198464860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2198464860 is an abundant number, since it is smaller than the sum of its proper divisors (3957236916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198464860 is a wasteful number, since it uses less digits than its factorization.

2198464860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36641093 (or 36641091 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 2198464860 is about 46887.7900950770. The cubic root of 2198464860 is about 1300.2888628310.

The spelling of 2198464860 in words is "two billion, one hundred ninety-eight million, four hundred sixty-four thousand, eight hundred sixty".