13222212733 has 2 divisors, whose sum is σ = 13222212734. Its totient is φ = 13222212732.

The previous prime is 13222212649. The next prime is 13222212739. The reversal of 13222212733 is 33721222231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11347149529 + 1875063204 = 106523^2 + 43302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13222212733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13222212739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611106366 + 6611106367.

It is an arithmetic number, because the mean of its divisors is an integer number (6611106367).

Almost surely, 2^13222212733 is an apocalyptic number.

It is an amenable number.

13222212733 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222212733 is an equidigital number, since it uses as much as digits as its factorization.

13222212733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

Adding to 13222212733 its reverse (33721222231), we get a palindrome (46943434964).

The spelling of 13222212733 in words is "thirteen billion, two hundred twenty-two million, two hundred twelve thousand, seven hundred thirty-three".