2238143280 has 80 divisors (see below), whose sum is σ = 6945385824. Its totient is φ = 596224000.

The previous prime is 2238143269. The next prime is 2238143287. The reversal of 2238143280 is 823418322.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2238143287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259030 + ... + 267530.

Almost surely, 2^2238143280 is an apocalyptic number.

2238143280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2238143280 is an abundant number, since it is smaller than the sum of its proper divisors (4707242544).

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

2238143280 is a wasteful number, since it uses less digits than its factorization.

2238143280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9614 (or 9608 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 2238143280 is about 47309.0190132917. The cubic root of 2238143280 is about 1308.0649090103.

The spelling of 2238143280 in words is "two billion, two hundred thirty-eight million, one hundred forty-three thousand, two hundred eighty".