1222002137 has 2 divisors, whose sum is σ = 1222002138. Its totient is φ = 1222002136.

The previous prime is 1222002107. The next prime is 1222002163. The reversal of 1222002137 is 7312002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030345801 + 191656336 = 32099^2 + 13844^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222002137 - 2⁶ = 1222002073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222002107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611001068 + 611001069.

It is an arithmetic number, because the mean of its divisors is an integer number (611001069).

Almost surely, 2^1222002137 is an apocalyptic number.

It is an amenable number.

1222002137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222002137 is an equidigital number, since it uses as much as digits as its factorization.

1222002137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1222002137 is about 34957.1471519059. The cubic root of 1222002137 is about 1069.1139306093.

Adding to 1222002137 its reverse (7312002221), we get a palindrome (8534004358).

The spelling of 1222002137 in words is "one billion, two hundred twenty-two million, two thousand, one hundred thirty-seven".