2531422 has 8 divisors (see below), whose sum is σ = 3889872. Its totient is φ = 1234800.

The previous prime is 2531413. The next prime is 2531423. The reversal of 2531422 is 2241352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2531422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15354 + ... + 15517.

It is an arithmetic number, because the mean of its divisors is an integer number (486234).

2^2531422 is an apocalyptic number.

2531422 is a deficient number, since it is larger than the sum of its proper divisors (1358450).

2531422 is a wasteful number, since it uses less digits than its factorization.

2531422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30914.

The product of its digits is 480, while the sum is 19.

The square root of 2531422 is about 1591.0443111366. The cubic root of 2531422 is about 136.2871312541.

Adding to 2531422 its reverse (2241352), we get a palindrome (4772774).

The spelling of 2531422 in words is "two million, five hundred thirty-one thousand, four hundred twenty-two".