222122122249 has 2 divisors, whose sum is σ = 222122122250. Its totient is φ = 222122122248.

The previous prime is 222122122199. The next prime is 222122122253. The reversal of 222122122249 is 942221221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213414433024 + 8707689225 = 461968^2 + 93315^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122122249 - 2¹³ = 222122114057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222122122249.

It is not a weakly prime, because it can be changed into another prime (222122122279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061061124 + 111061061125.

It is an arithmetic number, because the mean of its divisors is an integer number (111061061125).

Almost surely, 2^222122122249 is an apocalyptic number.

It is an amenable number.

222122122249 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122122249 is an equidigital number, since it uses as much as digits as its factorization.

222122122249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

The spelling of 222122122249 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred forty-nine".