22454444445450 has 48 divisors (see below), whose sum is σ = 58617918138720. Its totient is φ = 5672701753920.

The previous prime is 22454444445449. The next prime is 22454444445457. The reversal of 22454444445450 is 5454444445422.

It is a junction number, because it is equal to n+sod(n) for n = 22454444445393 and 22454444445402.

It is not an unprimeable number, because it can be changed into a prime (22454444445457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3939373369 + ... + 3939379068.

It is an arithmetic number, because the mean of its divisors is an integer number (1221206627890).

Almost surely, 2^{22454444445450} is an apocalyptic number.

22454444445450 is an abundant number, since it is smaller than the sum of its proper divisors (36163473693270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22454444445450 is a wasteful number, since it uses less digits than its factorization.

22454444445450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878752471 (or 7878752466 counting only the distinct ones).

The product of its (nonzero) digits is 32768000, while the sum is 51.

The spelling of 22454444445450 in words is "twenty-two trillion, four hundred fifty-four billion, four hundred forty-four million, four hundred forty-five thousand, four hundred fifty".