1222557043357 has 8 divisors (see below), whose sum is σ = 1373843366784. Its totient is φ = 1079448359088.

The previous prime is 1222557043333. The next prime is 1222557043363. The reversal of 1222557043357 is 7533407552221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222557043357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222557043397) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2044409473 + ... + 2044410070.

It is an arithmetic number, because the mean of its divisors is an integer number (171730420848).

Almost surely, 2^{1222557043357} is an apocalyptic number.

It is an amenable number.

1222557043357 is a deficient number, since it is larger than the sum of its proper divisors (151286323427).

1222557043357 is a wasteful number, since it uses less digits than its factorization.

1222557043357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088819579.

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 1222557043357 in words is "one trillion, two hundred twenty-two billion, five hundred fifty-seven million, forty-three thousand, three hundred fifty-seven".