2239556280 has 64 divisors (see below), whose sum is σ = 7235494560. Its totient is φ = 551275008.

The previous prime is 2239556213. The next prime is 2239556309. The reversal of 2239556280 is 826559322.

It is a super-2 number, since 2×2239556280² = 10031224662574876800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716247 + ... + 719366.

Almost surely, 2^2239556280 is an apocalyptic number.

2239556280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2239556280 is an abundant number, since it is smaller than the sum of its proper divisors (4995938280).

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

2239556280 is a wasteful number, since it uses less digits than its factorization.

2239556280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435640 (or 1435636 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 2239556280 is about 47323.9503845569. The cubic root of 2239556280 is about 1308.3401232783.

The spelling of 2239556280 in words is "two billion, two hundred thirty-nine million, five hundred fifty-six thousand, two hundred eighty".