2238898489 has 3 divisors (see below), whose sum is σ = 2238945807. Its totient is φ = 2238851172.

The previous prime is 2238898483. The next prime is 2238898517. The reversal of 2238898489 is 9848988322.

The square root of 2238898489 is 47317.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9848988322 = 2 ⋅4924494161.

It can be written as a sum of positive squares in only one way, i.e., 1960275625 + 278622864 = 44275^2 + 16692^2 .

It is not a de Polignac number, because 2238898489 - 2¹¹ = 2238896441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2238898483) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23659 + ... + 70975.

It is an arithmetic number, because the mean of its divisors is an integer number (746315269).

Almost surely, 2^2238898489 is an apocalyptic number.

2238898489 is the 47317-th square number.

2238898489 is the 23659-th centered octagonal number.

It is an amenable number.

2238898489 is a deficient number, since it is larger than the sum of its proper divisors (47318).

2238898489 is an frugal number, since it uses more digits than its factorization.

2238898489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94634 (or 47317 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 61.

The cubic root of 2238898489 is about 1308.2120177487.

The spelling of 2238898489 in words is "two billion, two hundred thirty-eight million, eight hundred ninety-eight thousand, four hundred eighty-nine".