1122205537 has 2 divisors, whose sum is σ = 1122205538. Its totient is φ = 1122205536.

The previous prime is 1122205499. The next prime is 1122205543. The reversal of 1122205537 is 7355022211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 564490081 + 557715456 = 23759^2 + 23616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122205537 - 2¹⁵ = 1122172769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122205577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561102768 + 561102769.

It is an arithmetic number, because the mean of its divisors is an integer number (561102769).

Almost surely, 2^1122205537 is an apocalyptic number.

It is an amenable number.

1122205537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122205537 is an equidigital number, since it uses as much as digits as its factorization.

1122205537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1122205537 is about 33499.3363665611. The cubic root of 1122205537 is about 1039.1800542224.

Adding to 1122205537 its reverse (7355022211), we get a palindrome (8477227748).

The spelling of 1122205537 in words is "one billion, one hundred twenty-two million, two hundred five thousand, five hundred thirty-seven".