2223022121977 has 2 divisors, whose sum is σ = 2223022121978. Its totient is φ = 2223022121976.

The previous prime is 2223022121959. The next prime is 2223022122029. The reversal of 2223022121977 is 7791212203222.

2223022121977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2119190593536 + 103831528441 = 1455744^2 + 322229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223022121977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2223022121917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111511060988 + 1111511060989.

It is an arithmetic number, because the mean of its divisors is an integer number (1111511060989).

Almost surely, 2^{2223022121977} is an apocalyptic number.

It is an amenable number.

2223022121977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223022121977 is an equidigital number, since it uses as much as digits as its factorization.

2223022121977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 2223022121977 in words is "two trillion, two hundred twenty-three billion, twenty-two million, one hundred twenty-one thousand, nine hundred seventy-seven".