22122221001229 has 2 divisors, whose sum is σ = 22122221001230. Its totient is φ = 22122221001228.

The previous prime is 22122221001157. The next prime is 22122221001233. The reversal of 22122221001229 is 92210012222122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19506594057129 + 2615626944100 = 4416627^2 + 1617290^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122221001229 - 2²¹ = 22122218904077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22122221001197 and 22122221001206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122221001239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061110500614 + 11061110500615.

It is an arithmetic number, because the mean of its divisors is an integer number (11061110500615).

Almost surely, 2^{22122221001229} is an apocalyptic number.

It is an amenable number.

22122221001229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122221001229 is an equidigital number, since it uses as much as digits as its factorization.

22122221001229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 22122221001229 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-one million, one thousand, two hundred twenty-nine".