22217022229 has 2 divisors, whose sum is σ = 22217022230. Its totient is φ = 22217022228.

The previous prime is 22217022211. The next prime is 22217022307. The reversal of 22217022229 is 92222071222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19147640625 + 3069381604 = 138375^2 + 55402^2 .

It is a cyclic number.

It is not a de Polignac number, because 22217022229 - 2⁵ = 22217022197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22217022229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22217022329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11108511114 + 11108511115.

It is an arithmetic number, because the mean of its divisors is an integer number (11108511115).

Almost surely, 2^22217022229 is an apocalyptic number.

It is an amenable number.

22217022229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22217022229 is an equidigital number, since it uses as much as digits as its factorization.

22217022229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 22217022229 in words is "twenty-two billion, two hundred seventeen million, twenty-two thousand, two hundred twenty-nine".