222222100020229 has 2 divisors, whose sum is σ = 222222100020230. Its totient is φ = 222222100020228.

The previous prime is 222222100020187. The next prime is 222222100020233. The reversal of 222222100020229 is 922020001222222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194777053625025 + 27445046395204 = 13956255^2 + 5238802^2 .

It is a cyclic number.

It is not a de Polignac number, because 222222100020229 - 2⁷ = 222222100020101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222222100020197 and 222222100020206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222222100020629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111050010114 + 111111050010115.

It is an arithmetic number, because the mean of its divisors is an integer number (111111050010115).

Almost surely, 2^{222222100020229} is an apocalyptic number.

It is an amenable number.

222222100020229 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222100020229 is an equidigital number, since it uses as much as digits as its factorization.

222222100020229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 222222100020229 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred million, twenty thousand, two hundred twenty-nine".