1222364237 has 2 divisors, whose sum is σ = 1222364238. Its totient is φ = 1222364236.

The previous prime is 1222364189. The next prime is 1222364249. The reversal of 1222364237 is 7324632221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1207840516 + 14523721 = 34754^2 + 3811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222364237 - 2⁶ = 1222364173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222364257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611182118 + 611182119.

It is an arithmetic number, because the mean of its divisors is an integer number (611182119).

Almost surely, 2^1222364237 is an apocalyptic number.

It is an amenable number.

1222364237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222364237 is an equidigital number, since it uses as much as digits as its factorization.

1222364237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 1222364237 is about 34962.3259666745. The cubic root of 1222364237 is about 1069.2195190562.

Adding to 1222364237 its reverse (7324632221), we get a palindrome (8546996458).

The spelling of 1222364237 in words is "one billion, two hundred twenty-two million, three hundred sixty-four thousand, two hundred thirty-seven".