7122522 has 32 divisors (see below), whose sum is σ = 15634944. Its totient is φ = 2145200.

The previous prime is 7122517. The next prime is 7122551. The reversal of 7122522 is 2252217.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20353 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (488592).

Almost surely, 2^7122522 is an apocalyptic number.

7122522 is an abundant number, since it is smaller than the sum of its proper divisors (8512422).

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

7122522 is a wasteful number, since it uses less digits than its factorization.

7122522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its digits is 560, while the sum is 21.

The square root of 7122522 is about 2668.8053507141. The cubic root of 7122522 is about 192.4027461742.

Adding to 7122522 its reverse (2252217), we get a palindrome (9374739).

The spelling of 7122522 in words is "seven million, one hundred twenty-two thousand, five hundred twenty-two".