1306680222 has 16 divisors (see below), whose sum is σ = 2614245120. Its totient is φ = 435412632.

The previous prime is 1306680211. The next prime is 1306680227. The reversal of 1306680222 is 2220866031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306680222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306680227) 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, 16822 + ... + 53817.

It is an arithmetic number, because the mean of its divisors is an integer number (163390320).

Almost surely, 2^1306680222 is an apocalyptic number.

1306680222 is an abundant number, since it is smaller than the sum of its proper divisors (1307564898).

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

1306680222 is a wasteful number, since it uses less digits than its factorization.

1306680222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73727.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1306680222 is about 36148.0320626172. The cubic root of 1306680222 is about 1093.2591123231.

It can be divided in two parts, 1306 and 680222, that added together give a triangular number (681528 = T₁₁₆₇).

The spelling of 1306680222 in words is "one billion, three hundred six million, six hundred eighty thousand, two hundred twenty-two".