1222334437 has 2 divisors, whose sum is σ = 1222334438. Its totient is φ = 1222334436.

The previous prime is 1222334431. The next prime is 1222334453. The reversal of 1222334437 is 7344332221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1058135841 + 164198596 = 32529^2 + 12814^2 .

It is an emirp because it is prime and its reverse (7344332221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222334437 is a prime.

It is a super-2 number, since 2×1222334437² = 2988202951752213938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222334399 and 1222334408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222334431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611167218 + 611167219.

It is an arithmetic number, because the mean of its divisors is an integer number (611167219).

Almost surely, 2^1222334437 is an apocalyptic number.

It is an amenable number.

1222334437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222334437 is an equidigital number, since it uses as much as digits as its factorization.

1222334437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 31.

The square root of 1222334437 is about 34961.8997910583. The cubic root of 1222334437 is about 1069.2108301565.

Adding to 1222334437 its reverse (7344332221), we get a palindrome (8566666658).

The spelling of 1222334437 in words is "one billion, two hundred twenty-two million, three hundred thirty-four thousand, four hundred thirty-seven".