2198365512 has 128 divisors (see below), whose sum is σ = 6656870400. Its totient is φ = 590976000.

The previous prime is 2198365487. The next prime is 2198365517. The reversal of 2198365512 is 2155638912.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2198365517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479712 + ... + 484272.

It is an arithmetic number, because the mean of its divisors is an integer number (52006800).

Almost surely, 2^2198365512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2198365512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328435200).

2198365512 is an abundant number, since it is smaller than the sum of its proper divisors (4458504888).

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

2198365512 is a wasteful number, since it uses less digits than its factorization.

2198365512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747 (or 4743 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 2198365512 is about 46886.7306601772. The cubic root of 2198365512 is about 1300.2692759750.

The spelling of 2198365512 in words is "two billion, one hundred ninety-eight million, three hundred sixty-five thousand, five hundred twelve".