1000212229 has 2 divisors, whose sum is σ = 1000212230. Its totient is φ = 1000212228.

The previous prime is 1000212211. The next prime is 1000212251. The reversal of 1000212229 is 9222120001.

1000212229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 511890625 + 488321604 = 22625^2 + 22098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000212229 - 2⁵ = 1000212197 is a prime.

It is a super-2 number, since 2×1000212229² = 2000849006082296882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000212329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500106114 + 500106115.

It is an arithmetic number, because the mean of its divisors is an integer number (500106115).

Almost surely, 2^1000212229 is an apocalyptic number.

It is an amenable number.

1000212229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000212229 is an equidigital number, since it uses as much as digits as its factorization.

1000212229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1000212229 is about 31626.1320587896. The cubic root of 1000212229 is about 1000.0707379960.

The spelling of 1000212229 in words is "one billion, two hundred twelve thousand, two hundred twenty-nine".