2198150784 has 112 divisors (see below), whose sum is σ = 6565967970. Its totient is φ = 732685824.

The previous prime is 2198150761. The next prime is 2198150791. The reversal of 2198150784 is 4870518912.

It can be written as a sum of positive squares in only one way, i.e., 2196984384 + 1166400 = 46872^2 + 1080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 81534 + ... + 105090.

Almost surely, 2^2198150784 is an apocalyptic number.

2198150784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2198150784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3282983985).

2198150784 is an abundant number, since it is smaller than the sum of its proper divisors (4367817186).

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

2198150784 is an frugal number, since it uses more digits than its factorization.

2198150784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23589 (or 23562 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 2198150784 is about 46884.4407453048. The cubic root of 2198150784 is about 1300.2269394738.

The spelling of 2198150784 in words is "two billion, one hundred ninety-eight million, one hundred fifty thousand, seven hundred eighty-four".