22212240520429 has 2 divisors, whose sum is σ = 22212240520430. Its totient is φ = 22212240520428.

The previous prime is 22212240520423. The next prime is 22212240520489. The reversal of 22212240520429 is 92402504221222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21218211580329 + 994028940100 = 4606323^2 + 997010^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212240520429 - 2¹³ = 22212240512237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212240520423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106120260214 + 11106120260215.

It is an arithmetic number, because the mean of its divisors is an integer number (11106120260215).

Almost surely, 2^{22212240520429} is an apocalyptic number.

It is an amenable number.

22212240520429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212240520429 is an equidigital number, since it uses as much as digits as its factorization.

22212240520429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 22212240520429 in words is "twenty-two trillion, two hundred twelve billion, two hundred forty million, five hundred twenty thousand, four hundred twenty-nine".