222645841450 has 12 divisors (see below), whose sum is σ = 414121265190. Its totient is φ = 89058336560.

The previous prime is 222645841423. The next prime is 222645841463. The reversal of 222645841450 is 54148546222.

It can be written as a sum of positive squares in 3 ways, for example, as 162081123649 + 60564717801 = 402593^2 + 246099^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222645841397 and 222645841406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2226458365 + ... + 2226458464.

Almost surely, 2^222645841450 is an apocalyptic number.

222645841450 is a deficient number, since it is larger than the sum of its proper divisors (191475423740).

222645841450 is a wasteful number, since it uses less digits than its factorization.

222645841450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452916841 (or 4452916836 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 43.

The spelling of 222645841450 in words is "two hundred twenty-two billion, six hundred forty-five million, eight hundred forty-one thousand, four hundred fifty".