2198065436 has 24 divisors (see below), whose sum is σ = 4419158016. Its totient is φ = 937093680.

The previous prime is 2198065421. The next prime is 2198065451. The reversal of 2198065436 is 6345608912.

It is an interprime number because it is at equal distance from previous prime (2198065421) and next prime (2198065451).

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, 200156 + ... + 210851.

It is an arithmetic number, because the mean of its divisors is an integer number (184131584).

Almost surely, 2^2198065436 is an apocalyptic number.

It is an amenable number.

2198065436 is an abundant number, since it is smaller than the sum of its proper divisors (2221092580).

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

2198065436 is a wasteful number, since it uses less digits than its factorization.

2198065436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411209 (or 411207 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 2198065436 is about 46883.5305411186. The cubic root of 2198065436 is about 1300.2101112068.

The spelling of 2198065436 in words is "two billion, one hundred ninety-eight million, sixty-five thousand, four hundred thirty-six".