1222295894546 has 8 divisors (see below), whose sum is σ = 1833459372300. Its totient is φ = 611142770448.

The previous prime is 1222295894539. The next prime is 1222295894581. The reversal of 1222295894546 is 6454985922221.

It can be written as a sum of positive squares in 2 ways, for example, as 1214260744225 + 8035150321 = 1101935^2 + 89639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1222295894546² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286221 + ... + 2769728.

Almost surely, 2^{1222295894546} is an apocalyptic number.

1222295894546 is a deficient number, since it is larger than the sum of its proper divisors (611163477754).

1222295894546 is a wasteful number, since it uses less digits than its factorization.

1222295894546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176828.

The product of its digits is 24883200, while the sum is 59.

The spelling of 1222295894546 in words is "one trillion, two hundred twenty-two billion, two hundred ninety-five million, eight hundred ninety-four thousand, five hundred forty-six".