7722226957 has 4 divisors (see below), whose sum is σ = 7815265920. Its totient is φ = 7629187996.

The previous prime is 7722226949. The next prime is 7722226961. The reversal of 7722226957 is 7596222277.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7722226957 - 2³ = 7722226949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7722226957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722226937) 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 3 ways as a sum of consecutive naturals, for example, 46519357 + ... + 46519522.

It is an arithmetic number, because the mean of its divisors is an integer number (1953816480).

Almost surely, 2^7722226957 is an apocalyptic number.

It is an amenable number.

7722226957 is a deficient number, since it is larger than the sum of its proper divisors (93038963).

7722226957 is an equidigital number, since it uses as much as digits as its factorization.

7722226957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93038962.

The product of its digits is 1481760, while the sum is 49.

The square root of 7722226957 is about 87876.2024498100. The cubic root of 7722226957 is about 1976.5790464981.

The spelling of 7722226957 in words is "seven billion, seven hundred twenty-two million, two hundred twenty-six thousand, nine hundred fifty-seven".