22212224234377 has 2 divisors, whose sum is σ = 22212224234378. Its totient is φ = 22212224234376.

The previous prime is 22212224234311. The next prime is 22212224234383. The reversal of 22212224234377 is 77343242221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13913653470201 + 8298570764176 = 3730101^2 + 2880724^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212224234377 - 2³⁵ = 22177864496009 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212254234377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106112117188 + 11106112117189.

It is an arithmetic number, because the mean of its divisors is an integer number (11106112117189).

Almost surely, 2^{22212224234377} is an apocalyptic number.

It is an amenable number.

22212224234377 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212224234377 is an equidigital number, since it uses as much as digits as its factorization.

22212224234377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 43.

Adding to 22212224234377 its reverse (77343242221222), we get a palindrome (99555466455599).

The spelling of 22212224234377 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty-four million, two hundred thirty-four thousand, three hundred seventy-seven".