7242522 has 16 divisors (see below), whose sum is σ = 16554432. Its totient is φ = 2069280.

The previous prime is 7242511. The next prime is 7242523. The reversal of 7242522 is 2252427.

It is a junction number, because it is equal to n+sod(n) for n = 7242492 and 7242501.

It is not an unprimeable number, because it can be changed into a prime (7242523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86179 + ... + 86262.

It is an arithmetic number, because the mean of its divisors is an integer number (1034652).

Almost surely, 2^7242522 is an apocalyptic number.

7242522 is an abundant number, since it is smaller than the sum of its proper divisors (9311910).

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

7242522 is a wasteful number, since it uses less digits than its factorization.

7242522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172453.

The product of its digits is 2240, while the sum is 24.

The square root of 7242522 is about 2691.1934155686. The cubic root of 7242522 is about 193.4772656556.

Adding to 7242522 its reverse (2252427), we get a palindrome (9494949).

The spelling of 7242522 in words is "seven million, two hundred forty-two thousand, five hundred twenty-two".