13222807 has 4 divisors (see below), whose sum is σ = 14239960. Its totient is φ = 12205656.

The previous prime is 13222789. The next prime is 13222823. The reversal of 13222807 is 70822231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13222807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508557 + ... + 508582.

It is an arithmetic number, because the mean of its divisors is an integer number (3559990).

Almost surely, 2^13222807 is an apocalyptic number.

13222807 is a deficient number, since it is larger than the sum of its proper divisors (1017153).

13222807 is a wasteful number, since it uses less digits than its factorization.

13222807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017152.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13222807 is about 3636.3177803927. The cubic root of 13222807 is about 236.4691841545.

The spelling of 13222807 in words is "thirteen million, two hundred twenty-two thousand, eight hundred seven".