7522226568 has 64 divisors (see below), whose sum is σ = 20946408000. Its totient is φ = 2501248896.

The previous prime is 7522226561. The next prime is 7522226573. The reversal of 7522226568 is 8656222257.

7522226568 is a `hidden beast` number, since 7 + 522 + 2 + 2 + 65 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (7522226561) 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 15 ways as a sum of consecutive naturals, for example, 45771 + ... + 130917.

It is an arithmetic number, because the mean of its divisors is an integer number (327287625).

Almost surely, 2^7522226568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7522226568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10473204000).

7522226568 is an abundant number, since it is smaller than the sum of its proper divisors (13424181432).

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

7522226568 is a wasteful number, since it uses less digits than its factorization.

7522226568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85571 (or 85561 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 7522226568 is about 86730.7705949855. The cubic root of 7522226568 is about 1959.3655596166.

The spelling of 7522226568 in words is "seven billion, five hundred twenty-two million, two hundred twenty-six thousand, five hundred sixty-eight".