22020112277 has 2 divisors, whose sum is σ = 22020112278. Its totient is φ = 22020112276.

The previous prime is 22020112271. The next prime is 22020112307. The reversal of 22020112277 is 77221102022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18958260721 + 3061851556 = 137689^2 + 55334^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020112277 - 2¹⁴ = 22020095893 is a prime.

It is a super-2 number, since 2×22020112277² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020112271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010056138 + 11010056139.

It is an arithmetic number, because the mean of its divisors is an integer number (11010056139).

Almost surely, 2^22020112277 is an apocalyptic number.

It is an amenable number.

22020112277 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020112277 is an equidigital number, since it uses as much as digits as its factorization.

22020112277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

Adding to 22020112277 its reverse (77221102022), we get a palindrome (99241214299).

The spelling of 22020112277 in words is "twenty-two billion, twenty million, one hundred twelve thousand, two hundred seventy-seven".