7531422 has 8 divisors (see below), whose sum is σ = 15062856. Its totient is φ = 2510472.

The previous prime is 7531417. The next prime is 7531423. The reversal of 7531422 is 2241357.

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

7531422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7531392 and 7531401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7531423) 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, 627613 + ... + 627624.

It is an arithmetic number, because the mean of its divisors is an integer number (1882857).

Almost surely, 2^7531422 is an apocalyptic number.

7531422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7531422 is a wasteful number, since it uses less digits than its factorization.

7531422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255242.

The product of its digits is 1680, while the sum is 24.

The square root of 7531422 is about 2744.3436373749. The cubic root of 7531422 is about 196.0163633430.

Adding to 7531422 its reverse (2241357), we get a palindrome (9772779).

The spelling of 7531422 in words is "seven million, five hundred thirty-one thousand, four hundred twenty-two".