13222037 has 2 divisors, whose sum is σ = 13222038. Its totient is φ = 13222036.

The previous prime is 13222031. The next prime is 13222067. The reversal of 13222037 is 73022231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12327121 + 894916 = 3511^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222037 - 2⁸ = 13221781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13222031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611018 + 6611019.

It is an arithmetic number, because the mean of its divisors is an integer number (6611019).

Almost surely, 2^13222037 is an apocalyptic number.

It is an amenable number.

13222037 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222037 is an equidigital number, since it uses as much as digits as its factorization.

13222037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13222037 is about 3636.2119025161. The cubic root of 13222037 is about 236.4645939842.

Adding to 13222037 its reverse (73022231), we get a palindrome (86244268).

The spelling of 13222037 in words is "thirteen million, two hundred twenty-two thousand, thirty-seven".