22023021077 has 2 divisors, whose sum is σ = 22023021078. Its totient is φ = 22023021076.

The previous prime is 22023021071. The next prime is 22023021131. The reversal of 22023021077 is 77012032022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20485910641 + 1537110436 = 143129^2 + 39206^2 .

It is a cyclic number.

It is not a de Polignac number, because 22023021077 - 2⁴ = 22023021061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22023021071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011510538 + 11011510539.

It is an arithmetic number, because the mean of its divisors is an integer number (11011510539).

Almost surely, 2^22023021077 is an apocalyptic number.

It is an amenable number.

22023021077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023021077 is an equidigital number, since it uses as much as digits as its factorization.

22023021077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

Adding to 22023021077 its reverse (77012032022), we get a palindrome (99035053099).

The spelling of 22023021077 in words is "twenty-two billion, twenty-three million, twenty-one thousand, seventy-seven".