7722052257943 has 4 divisors (see below), whose sum is σ = 7988329922040. Its totient is φ = 7455774593848.

The previous prime is 7722052257911. The next prime is 7722052258027. The reversal of 7722052257943 is 3497522502277.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7722052257943 - 2⁵ = 7722052257911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722052257443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133138832005 + ... + 133138832062.

It is an arithmetic number, because the mean of its divisors is an integer number (1997082480510).

Almost surely, 2^{7722052257943} is an apocalyptic number.

7722052257943 is a deficient number, since it is larger than the sum of its proper divisors (266277664097).

7722052257943 is a wasteful number, since it uses less digits than its factorization.

7722052257943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266277664096.

The product of its (nonzero) digits is 14817600, while the sum is 55.

The spelling of 7722052257943 in words is "seven trillion, seven hundred twenty-two billion, fifty-two million, two hundred fifty-seven thousand, nine hundred forty-three".