1222301237 has 2 divisors, whose sum is σ = 1222301238. Its totient is φ = 1222301236.

The previous prime is 1222301203. The next prime is 1222301239. The reversal of 1222301237 is 7321032221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733272241 + 489028996 = 27079^2 + 22114^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222301237 - 2¹⁶ = 1222235701 is a prime.

Together with 1222301239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222301239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611150618 + 611150619.

It is an arithmetic number, because the mean of its divisors is an integer number (611150619).

Almost surely, 2^1222301237 is an apocalyptic number.

It is an amenable number.

1222301237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222301237 is an equidigital number, since it uses as much as digits as its factorization.

1222301237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1222301237 is about 34961.4249852605. The cubic root of 1222301237 is about 1069.2011497396.

Adding to 1222301237 its reverse (7321032221), we get a palindrome (8543333458).

The spelling of 1222301237 in words is "one billion, two hundred twenty-two million, three hundred one thousand, two hundred thirty-seven".