13222478937 has 8 divisors (see below), whose sum is σ = 17693619136. Its totient is φ = 8783162352.

The previous prime is 13222478911. The next prime is 13222478953. The reversal of 13222478937 is 73987422231.

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

It is not a de Polignac number, because 13222478937 - 2¹⁵ = 13222446169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222473937) 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, 7954933 + ... + 7956594.

It is an arithmetic number, because the mean of its divisors is an integer number (2211702392).

Almost surely, 2^13222478937 is an apocalyptic number.

It is an amenable number.

13222478937 is a deficient number, since it is larger than the sum of its proper divisors (4471140199).

13222478937 is a wasteful number, since it uses less digits than its factorization.

13222478937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15911807.

The product of its digits is 1016064, while the sum is 48.

The spelling of 13222478937 in words is "thirteen billion, two hundred twenty-two million, four hundred seventy-eight thousand, nine hundred thirty-seven".