2231472 has 20 divisors (see below), whose sum is σ = 5764760. Its totient is φ = 743808.

The previous prime is 2231461. The next prime is 2231477. The reversal of 2231472 is 2741322.

2231472 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2231472³ = 33334625476123398144, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231477) 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 3 ways as a sum of consecutive naturals, for example, 23197 + ... + 23292.

It is an arithmetic number, because the mean of its divisors is an integer number (288238).

2^2231472 is an apocalyptic number.

It is an amenable number.

2231472 is an abundant number, since it is smaller than the sum of its proper divisors (3533288).

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

2231472 is a wasteful number, since it uses less digits than its factorization.

2231472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46500 (or 46494 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 2231472 is about 1493.8112330546. The cubic root of 2231472 is about 130.6763956845.

Adding to 2231472 its reverse (2741322), we get a palindrome (4972794).

The spelling of 2231472 in words is "two million, two hundred thirty-one thousand, four hundred seventy-two".