22454444445448 has 16 divisors (see below), whose sum is σ = 43239977479980. Its totient is φ = 10923783784128.

The previous prime is 22454444445421. The next prime is 22454444445449. The reversal of 22454444445448 is 84454444445422.

It can be written as a sum of positive squares in 2 ways, for example, as 19424275660804 + 3030168784644 = 4407298^2 + 1740738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22454444445392 and 22454444445401.

It is not an unprimeable number, because it can be changed into a prime (22454444445449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37929804511 + ... + 37929805102.

Almost surely, 2^{22454444445448} is an apocalyptic number.

It is an amenable number.

22454444445448 is a deficient number, since it is larger than the sum of its proper divisors (20785533034532).

22454444445448 is a wasteful number, since it uses less digits than its factorization.

22454444445448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75859609656 (or 75859609652 counting only the distinct ones).

The product of its digits is 209715200, while the sum is 58.

The spelling of 22454444445448 in words is "twenty-two trillion, four hundred fifty-four billion, four hundred forty-four million, four hundred forty-five thousand, four hundred forty-eight".