7722244641 has 8 divisors (see below), whose sum is σ = 10743992640. Its totient is φ = 4924329872.

The previous prime is 7722244631. The next prime is 7722244657. The reversal of 7722244641 is 1464422277.

7722244641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7722244641 - 2⁵ = 7722244609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7722244641.

It is not an unprimeable number, because it can be changed into a prime (7722244631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55958226 + ... + 55958363.

It is an arithmetic number, because the mean of its divisors is an integer number (1342999080).

Almost surely, 2^7722244641 is an apocalyptic number.

It is an amenable number.

7722244641 is a deficient number, since it is larger than the sum of its proper divisors (3021747999).

7722244641 is a wasteful number, since it uses less digits than its factorization.

7722244641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111916615.

The product of its digits is 150528, while the sum is 39.

The square root of 7722244641 is about 87876.3030685747. The cubic root of 7722244641 is about 1976.5805552942.

The spelling of 7722244641 in words is "seven billion, seven hundred twenty-two million, two hundred forty-four thousand, six hundred forty-one".