2239001898 has 128 divisors (see below), whose sum is σ = 5688299520. Its totient is φ = 572759040.

The previous prime is 2239001879. The next prime is 2239001957. The reversal of 2239001898 is 8981009322.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1469365 + ... + 1470887.

It is an arithmetic number, because the mean of its divisors is an integer number (44439840).

Almost surely, 2^2239001898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2239001898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2844149760).

2239001898 is an abundant number, since it is smaller than the sum of its proper divisors (3449297622).

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

2239001898 is a wasteful number, since it uses less digits than its factorization.

2239001898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2239001898 is about 47318.0927130416. The cubic root of 2239001898 is about 1308.2321584286.

The spelling of 2239001898 in words is "two billion, two hundred thirty-nine million, one thousand, eight hundred ninety-eight".