1122336661 has 2 divisors, whose sum is σ = 1122336662. Its totient is φ = 1122336660.

The previous prime is 1122336659. The next prime is 1122336667. The reversal of 1122336661 is 1666332211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094352561 + 27984100 = 33081^2 + 5290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122336661 - 2¹ = 1122336659 is a prime.

Together with 1122336659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122336667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561168330 + 561168331.

It is an arithmetic number, because the mean of its divisors is an integer number (561168331).

Almost surely, 2^1122336661 is an apocalyptic number.

It is an amenable number.

1122336661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122336661 is an equidigital number, since it uses as much as digits as its factorization.

1122336661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 1122336661 is about 33501.2934227919. The cubic root of 1122336661 is about 1039.2205269445.

Adding to 1122336661 its reverse (1666332211), we get a palindrome (2788668872).

The spelling of 1122336661 in words is "one billion, one hundred twenty-two million, three hundred thirty-six thousand, six hundred sixty-one".