22212104123449 has 2 divisors, whose sum is σ = 22212104123450. Its totient is φ = 22212104123448.

The previous prime is 22212104123411. The next prime is 22212104123453. The reversal of 22212104123449 is 94432140121222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15481919175849 + 6730184947600 = 3934707^2 + 2594260^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212104123449 - 2¹¹ = 22212104121401 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212104123479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106052061724 + 11106052061725.

It is an arithmetic number, because the mean of its divisors is an integer number (11106052061725).

Almost surely, 2^{22212104123449} is an apocalyptic number.

It is an amenable number.

22212104123449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212104123449 is an equidigital number, since it uses as much as digits as its factorization.

22212104123449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 22212104123449 in words is "twenty-two trillion, two hundred twelve billion, one hundred four million, one hundred twenty-three thousand, four hundred forty-nine".