2231004 has 12 divisors (see below), whose sum is σ = 5205704. Its totient is φ = 743664.

The previous prime is 2230979. The next prime is 2231011. The reversal of 2231004 is 4001322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2231004³ = 33313656358317264192, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 185917 = 2231004 / (2 + 2 + 3 + 1 + 0 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92947 + ... + 92970.

2^2231004 is an apocalyptic number.

It is an amenable number.

2231004 is an abundant number, since it is smaller than the sum of its proper divisors (2974700).

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

2231004 is a wasteful number, since it uses less digits than its factorization.

2231004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185924 (or 185922 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2231004 is about 1493.6545785422. The cubic root of 2231004 is about 130.6672595882.

Adding to 2231004 its reverse (4001322), we get a palindrome (6232326).

The spelling of 2231004 in words is "two million, two hundred thirty-one thousand, four".