1306422205 has 32 divisors (see below), whose sum is σ = 1815229440. Its totient is φ = 892062720.

The previous prime is 1306422193. The next prime is 1306422217. The reversal of 1306422205 is 5022246031.

It is an interprime number because it is at equal distance from previous prime (1306422193) and next prime (1306422217).

It is not a de Polignac number, because 1306422205 - 2²⁵ = 1272867773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1306422205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446407 + ... + 449323.

It is an arithmetic number, because the mean of its divisors is an integer number (56725920).

Almost surely, 2^1306422205 is an apocalyptic number.

It is an amenable number.

1306422205 is a deficient number, since it is larger than the sum of its proper divisors (508807235).

1306422205 is a wasteful number, since it uses less digits than its factorization.

1306422205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1306422205 is about 36144.4629922759. The cubic root of 1306422205 is about 1093.1871492929.

Adding to 1306422205 its reverse (5022246031), we get a palindrome (6328668236).

The spelling of 1306422205 in words is "one billion, three hundred six million, four hundred twenty-two thousand, two hundred five".