1274722622166 has 32 divisors (see below), whose sum is σ = 3007640475648. Its totient is φ = 352457867520.

The previous prime is 1274722622143. The next prime is 1274722622167. The reversal of 1274722622166 is 6612262274721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274722622167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489523515 + ... + 489526118.

It is an arithmetic number, because the mean of its divisors is an integer number (93988764864).

Almost surely, 2^{1274722622166} is an apocalyptic number.

1274722622166 is an abundant number, since it is smaller than the sum of its proper divisors (1732917853482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1274722622166 is a wasteful number, since it uses less digits than its factorization.

1274722622166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979049676.

The product of its digits is 1354752, while the sum is 48.

Adding to 1274722622166 its reverse (6612262274721), we get a palindrome (7886984896887).

The spelling of 1274722622166 in words is "one trillion, two hundred seventy-four billion, seven hundred twenty-two million, six hundred twenty-two thousand, one hundred sixty-six".