7022220977 has 2 divisors, whose sum is σ = 7022220978. Its totient is φ = 7022220976.

The previous prime is 7022220971. The next prime is 7022221013. The reversal of 7022220977 is 7790222207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6129167521 + 893053456 = 78289^2 + 29884^2 .

It is a cyclic number.

It is not a de Polignac number, because 7022220977 - 2⁸ = 7022220721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7022220977.

It is not a weakly prime, because it can be changed into another prime (7022220971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3511110488 + 3511110489.

It is an arithmetic number, because the mean of its divisors is an integer number (3511110489).

Almost surely, 2^7022220977 is an apocalyptic number.

It is an amenable number.

7022220977 is a deficient number, since it is larger than the sum of its proper divisors (1).

7022220977 is an equidigital number, since it uses as much as digits as its factorization.

7022220977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 7022220977 is about 83798.6931700012. The cubic root of 7022220977 is about 1914.9531970737.

The spelling of 7022220977 in words is "seven billion, twenty-two million, two hundred twenty thousand, nine hundred seventy-seven".