2122455223450 has 24 divisors (see below), whose sum is σ = 3948997231260. Its totient is φ = 848717462400.

The previous prime is 2122455223423. The next prime is 2122455223459. The reversal of 2122455223450 is 543225542212.

It can be written as a sum of positive squares in 6 ways, for example, as 1254962303001 + 867492920449 = 1120251^2 + 931393^2 .

It is not an unprimeable number, because it can be changed into a prime (2122455223459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6453621 + ... + 6774520.

Almost surely, 2^{2122455223450} is an apocalyptic number.

2122455223450 is a deficient number, since it is larger than the sum of its proper divisors (1826542007810).

2122455223450 is a wasteful number, since it uses less digits than its factorization.

2122455223450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231362 (or 13231357 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 2122455223450 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-five million, two hundred twenty-three thousand, four hundred fifty".