22454444445449 has 2 divisors, whose sum is σ = 22454444445450. Its totient is φ = 22454444445448.

The previous prime is 22454444445421. The next prime is 22454444445457. The reversal of 22454444445449 is 94454444445422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18821436903424 + 3633007542025 = 4338368^2 + 1906045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22454444445449 is a prime.

It is not a weakly prime, because it can be changed into another prime (22454444345449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227222222724 + 11227222222725.

It is an arithmetic number, because the mean of its divisors is an integer number (11227222222725).

Almost surely, 2^{22454444445449} is an apocalyptic number.

It is an amenable number.

22454444445449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22454444445449 is an equidigital number, since it uses as much as digits as its factorization.

22454444445449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235929600, while the sum is 59.

The spelling of 22454444445449 in words is "twenty-two trillion, four hundred fifty-four billion, four hundred forty-four million, four hundred forty-five thousand, four hundred forty-nine".