2231080 has 48 divisors (see below), whose sum is σ = 5360220. Its totient is φ = 835584.

The previous prime is 2231077. The next prime is 2231087. The reversal of 2231080 is 801322.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1313316 + 917764 = 1146^2 + 958^2 .

It is a super-3 number, since 3×2231080³ = 33317061001427136000, which contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2231087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11464 + ... + 11656.

2^2231080 is an apocalyptic number.

2231080 is a gapful number since it is divisible by the number (20) 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 2231080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2680110).

2231080 is an abundant number, since it is smaller than the sum of its proper divisors (3129140).

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

2231080 is a wasteful number, since it uses less digits than its factorization.

2231080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2231080 is about 1493.6800192812. The cubic root of 2231080 is about 130.6687433147.

The spelling of 2231080 in words is "two million, two hundred thirty-one thousand, eighty".