1222240337 has 2 divisors, whose sum is σ = 1222240338. Its totient is φ = 1222240336.

The previous prime is 1222240319. The next prime is 1222240361. The reversal of 1222240337 is 7330422221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1148125456 + 74114881 = 33884^2 + 8609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222240337 - 2¹² = 1222236241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222240307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611120168 + 611120169.

It is an arithmetic number, because the mean of its divisors is an integer number (611120169).

Almost surely, 2^1222240337 is an apocalyptic number.

It is an amenable number.

1222240337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222240337 is an equidigital number, since it uses as much as digits as its factorization.

1222240337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 1222240337 is about 34960.5540144890. The cubic root of 1222240337 is about 1069.1833921336.

Adding to 1222240337 its reverse (7330422221), we get a palindrome (8552662558).

The spelling of 1222240337 in words is "one billion, two hundred twenty-two million, two hundred forty thousand, three hundred thirty-seven".