1306422245 has 16 divisors (see below), whose sum is σ = 1580819328. Its totient is φ = 1036432320.

The previous prime is 1306422217. The next prime is 1306422251. The reversal of 1306422245 is 5422246031.

It is not a de Polignac number, because 1306422245 - 2¹² = 1306418149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324032 + ... + 328038.

It is an arithmetic number, because the mean of its divisors is an integer number (98801208).

Almost surely, 2^1306422245 is an apocalyptic number.

It is an amenable number.

1306422245 is a deficient number, since it is larger than the sum of its proper divisors (274397083).

1306422245 is a wasteful number, since it uses less digits than its factorization.

1306422245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1306422245 is about 36144.4635456110. The cubic root of 1306422245 is about 1093.1871604500.

Adding to 1306422245 its reverse (5422246031), we get a palindrome (6728668276).

The spelling of 1306422245 in words is "one billion, three hundred six million, four hundred twenty-two thousand, two hundred forty-five".