22211334157 has 2 divisors, whose sum is σ = 22211334158. Its totient is φ = 22211334156.

The previous prime is 22211334109. The next prime is 22211334161. The reversal of 22211334157 is 75143311222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22074233476 + 137100681 = 148574^2 + 11709^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211334157 - 2¹⁹ = 22210809869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22211334107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105667078 + 11105667079.

It is an arithmetic number, because the mean of its divisors is an integer number (11105667079).

Almost surely, 2^22211334157 is an apocalyptic number.

It is an amenable number.

22211334157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211334157 is an equidigital number, since it uses as much as digits as its factorization.

22211334157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

Adding to 22211334157 its reverse (75143311222), we get a palindrome (97354645379).

The spelling of 22211334157 in words is "twenty-two billion, two hundred eleven million, three hundred thirty-four thousand, one hundred fifty-seven".