1222158360547 has 8 divisors (see below), whose sum is σ = 1264325081040. Its totient is φ = 1179993195360.

The previous prime is 1222158360509. The next prime is 1222158360557. The reversal of 1222158360547 is 7450638512221.

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-1222158360547 is a prime.

It is a super-2 number, since 2×1222158360547² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222158360497 and 1222158360506.

It is not an unprimeable number, because it can be changed into a prime (1222158360557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340272 + ... + 2059282.

It is an arithmetic number, because the mean of its divisors is an integer number (158040635130).

Almost surely, 2^{1222158360547} is an apocalyptic number.

1222158360547 is a deficient number, since it is larger than the sum of its proper divisors (42166720493).

1222158360547 is an equidigital number, since it uses as much as digits as its factorization.

1222158360547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777653.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 1222158360547 in words is "one trillion, two hundred twenty-two billion, one hundred fifty-eight million, three hundred sixty thousand, five hundred forty-seven".