22002119977 has 2 divisors, whose sum is σ = 22002119978. Its totient is φ = 22002119976.

The previous prime is 22002119957. The next prime is 22002120047. The reversal of 22002119977 is 77991120022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19941958656 + 2060161321 = 141216^2 + 45389^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002119977 - 2²³ = 21993731369 is a prime.

It is not a weakly prime, because it can be changed into another prime (22002119957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001059988 + 11001059989.

It is an arithmetic number, because the mean of its divisors is an integer number (11001059989).

Almost surely, 2^22002119977 is an apocalyptic number.

It is an amenable number.

22002119977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002119977 is an equidigital number, since it uses as much as digits as its factorization.

22002119977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

Adding to 22002119977 its reverse (77991120022), we get a palindrome (99993239999).

The spelling of 22002119977 in words is "twenty-two billion, two million, one hundred nineteen thousand, nine hundred seventy-seven".