1222204037 has 2 divisors, whose sum is σ = 1222204038. Its totient is φ = 1222204036.

The previous prime is 1222204003. The next prime is 1222204073. The reversal of 1222204037 is 7304022221.

It is a happy number.

Together with next prime (1222204073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 870604036 + 351600001 = 29506^2 + 18751^2 .

It is an emirp because it is prime and its reverse (7304022221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222204037 - 2¹⁸ = 1221941893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222204097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611102018 + 611102019.

It is an arithmetic number, because the mean of its divisors is an integer number (611102019).

Almost surely, 2^1222204037 is an apocalyptic number.

It is an amenable number.

1222204037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222204037 is an equidigital number, since it uses as much as digits as its factorization.

1222204037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 1222204037 is about 34960.0348541016. The cubic root of 1222204037 is about 1069.1728072701.

Adding to 1222204037 its reverse (7304022221), we get a palindrome (8526226258).

The spelling of 1222204037 in words is "one billion, two hundred twenty-two million, two hundred four thousand, thirty-seven".