1306988222 has 8 divisors (see below), whose sum is σ = 2013468456. Its totient is φ = 635832072.

The previous prime is 1306988219. The next prime is 1306988233. The reversal of 1306988222 is 2228896031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1306988222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8830928 + ... + 8831075.

It is an arithmetic number, because the mean of its divisors is an integer number (251683557).

Almost surely, 2^1306988222 is an apocalyptic number.

1306988222 is a deficient number, since it is larger than the sum of its proper divisors (706480234).

1306988222 is a wasteful number, since it uses less digits than its factorization.

1306988222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17662042.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1306988222 is about 36152.2920711813. The cubic root of 1306988222 is about 1093.3450036141.

The spelling of 1306988222 in words is "one billion, three hundred six million, nine hundred eighty-eight thousand, two hundred twenty-two".