2231493 has 16 divisors (see below), whose sum is σ = 3417600. Its totient is φ = 1280880.

The previous prime is 2231491. The next prime is 2231501. The reversal of 2231493 is 3941322.

It is not a de Polignac number, because 2231493 - 2¹ = 2231491 is a prime.

It is a super-3 number, since 3×2231493³ = 33335566604297340471, which contains 333 as substring. Note that it is a super-d number also for d = 2.

2231493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153 + ... + 2406.

It is an arithmetic number, because the mean of its divisors is an integer number (213600).

2^2231493 is an apocalyptic number.

It is an amenable number.

2231493 is a deficient number, since it is larger than the sum of its proper divisors (1186107).

2231493 is a wasteful number, since it uses less digits than its factorization.

2231493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592.

The product of its digits is 1296, while the sum is 24.

The square root of 2231493 is about 1493.8182620386. The cubic root of 2231493 is about 130.6768056076.

The spelling of 2231493 in words is "two million, two hundred thirty-one thousand, four hundred ninety-three".