2198755830 has 16 divisors (see below), whose sum is σ = 5277014064. Its totient is φ = 586334880.

The previous prime is 2198755807. The next prime is 2198755859. The reversal of 2198755830 is 385578912.

2198755830 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2198755830.

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, 36645901 + ... + 36645960.

It is an arithmetic number, because the mean of its divisors is an integer number (329813379).

Almost surely, 2^2198755830 is an apocalyptic number.

2198755830 is an abundant number, since it is smaller than the sum of its proper divisors (3078258234).

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

2198755830 is a wasteful number, since it uses less digits than its factorization.

2198755830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73291871.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 2198755830 is about 46890.8928257929. The cubic root of 2198755830 is about 1300.3462253368.

The spelling of 2198755830 in words is "two billion, one hundred ninety-eight million, seven hundred fifty-five thousand, eight hundred thirty".