22230623977 has 2 divisors, whose sum is σ = 22230623978. Its totient is φ = 22230623976.

The previous prime is 22230623959. The next prime is 22230624001. The reversal of 22230623977 is 77932603222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13894751376 + 8335872601 = 117876^2 + 91301^2 .

It is a cyclic number.

It is not a de Polignac number, because 22230623977 - 2¹⁵ = 22230591209 is a prime.

It is not a weakly prime, because it can be changed into another prime (22230623927) 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 as a sum of consecutive naturals, namely, 11115311988 + 11115311989.

It is an arithmetic number, because the mean of its divisors is an integer number (11115311989).

Almost surely, 2^22230623977 is an apocalyptic number.

It is an amenable number.

22230623977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230623977 is an equidigital number, since it uses as much as digits as its factorization.

22230623977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 22230623977 in words is "twenty-two billion, two hundred thirty million, six hundred twenty-three thousand, nine hundred seventy-seven".