2231396 has 12 divisors (see below), whose sum is σ = 4010748. Its totient is φ = 1085472.

The previous prime is 2231389. The next prime is 2231407. The reversal of 2231396 is 6931322.

It can be written as a sum of positive squares in 2 ways, for example, as 940900 + 1290496 = 970^2 + 1136^2 .

It is a super-3 number, since 3×2231396³ = 33331219636498761408, which contains 333 as substring.

It is an unprimeable number.

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, 7391 + ... + 7686.

It is an arithmetic number, because the mean of its divisors is an integer number (334229).

2^2231396 is an apocalyptic number.

It is an amenable number.

2231396 is a deficient number, since it is larger than the sum of its proper divisors (1779352).

2231396 is a wasteful number, since it uses less digits than its factorization.

2231396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15118 (or 15116 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 2231396 is about 1493.7857945502. The cubic root of 2231396 is about 130.6749121318.

The spelling of 2231396 in words is "two million, two hundred thirty-one thousand, three hundred ninety-six".