22210211501 has 2 divisors, whose sum is σ = 22210211502. Its totient is φ = 22210211500.

The previous prime is 22210211489. The next prime is 22210211537. The reversal of 22210211501 is 10511201222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12119808100 + 10090403401 = 110090^2 + 100451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22210211501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22210211501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22210211591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105105750 + 11105105751.

It is an arithmetic number, because the mean of its divisors is an integer number (11105105751).

Almost surely, 2^22210211501 is an apocalyptic number.

It is an amenable number.

22210211501 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210211501 is an equidigital number, since it uses as much as digits as its factorization.

22210211501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 22210211501 its reverse (10511201222), we get a palindrome (32721412723).

The spelling of 22210211501 in words is "twenty-two billion, two hundred ten million, two hundred eleven thousand, five hundred one".