212222332249 has 2 divisors, whose sum is σ = 212222332250. Its totient is φ = 212222332248.

The previous prime is 212222332199. The next prime is 212222332261. The reversal of 212222332249 is 942233222212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136137385024 + 76084947225 = 368968^2 + 275835^2 .

It is a cyclic number.

It is not a de Polignac number, because 212222332249 - 2⁷ = 212222332121 is a prime.

It is not a weakly prime, because it can be changed into another prime (212222332649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111166124 + 106111166125.

It is an arithmetic number, because the mean of its divisors is an integer number (106111166125).

Almost surely, 2^212222332249 is an apocalyptic number.

It is an amenable number.

212222332249 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222332249 is an equidigital number, since it uses as much as digits as its factorization.

212222332249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The spelling of 212222332249 in words is "two hundred twelve billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred forty-nine".