1222557043358 has 12 divisors (see below), whose sum is σ = 2133237290112. Its totient is φ = 523953018540.

The previous prime is 1222557043333. The next prime is 1222557043363. The reversal of 1222557043358 is 8533407552221.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 6237535838 + ... + 6237536033.

It is an arithmetic number, because the mean of its divisors is an integer number (177769774176).

Almost surely, 2^{1222557043358} is an apocalyptic number.

1222557043358 is a deficient number, since it is larger than the sum of its proper divisors (910680246754).

1222557043358 is a wasteful number, since it uses less digits than its factorization.

1222557043358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12475071887 (or 12475071880 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 1222557043358 in words is "one trillion, two hundred twenty-two billion, five hundred fifty-seven million, forty-three thousand, three hundred fifty-eight".