7522921822 has 16 divisors (see below), whose sum is σ = 12191250960. Its totient is φ = 3461020992.

The previous prime is 7522921817. The next prime is 7522921829. The reversal of 7522921822 is 2281292257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522921829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454072 + ... + 470347.

It is an arithmetic number, because the mean of its divisors is an integer number (761953185).

Almost surely, 2^7522921822 is an apocalyptic number.

7522921822 is a deficient number, since it is larger than the sum of its proper divisors (4668329138).

7522921822 is a wasteful number, since it uses less digits than its factorization.

7522921822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924747.

The product of its digits is 80640, while the sum is 40.

The square root of 7522921822 is about 86734.7786184988. The cubic root of 7522921822 is about 1959.4259236043.

The spelling of 7522921822 in words is "seven billion, five hundred twenty-two million, nine hundred twenty-one thousand, eight hundred twenty-two".