7142228682356 has 6 divisors (see below), whose sum is σ = 12498900194130. Its totient is φ = 3571114341176.

The previous prime is 7142228682341. The next prime is 7142228682359. The reversal of 7142228682356 is 6532868222417.

It can be written as a sum of positive squares in only one way, i.e., 3792172022500 + 3350056659856 = 1947350^2 + 1830316^2 .

It is a super-2 number, since 2×7142228682356² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142228682359) by changing a digit.

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 as a sum of consecutive naturals, namely, 892778585291 + ... + 892778585298.

It is an arithmetic number, because the mean of its divisors is an integer number (2083150032355).

Almost surely, 2^{7142228682356} is an apocalyptic number.

It is an amenable number.

7142228682356 is a deficient number, since it is larger than the sum of its proper divisors (5356671511774).

7142228682356 is a wasteful number, since it uses less digits than its factorization.

7142228682356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785557170593 (or 1785557170591 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 56.

The spelling of 7142228682356 in words is "seven trillion, one hundred forty-two billion, two hundred twenty-eight million, six hundred eighty-two thousand, three hundred fifty-six".