2231148 has 24 divisors (see below), whose sum is σ = 5512752. Its totient is φ = 699904.

The previous prime is 2231129. The next prime is 2231149. The reversal of 2231148 is 8411322.

It is a super-3 number, since 3×2231148³ = 33320107457672141376, which contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2231149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5265 + ... + 5672.

It is an arithmetic number, because the mean of its divisors is an integer number (229698).

2^2231148 is an apocalyptic number.

It is an amenable number.

2231148 is an abundant number, since it is smaller than the sum of its proper divisors (3281604).

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

2231148 is a wasteful number, since it uses less digits than its factorization.

2231148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961 (or 10959 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 2231148 is about 1493.7027816805. The cubic root of 2231148 is about 130.6700708308.

The spelling of 2231148 in words is "two million, two hundred thirty-one thousand, one hundred forty-eight".