1135221466 has 4 divisors (see below), whose sum is σ = 1702832202. Its totient is φ = 567610732.

The previous prime is 1135221463. The next prime is 1135221491. The reversal of 1135221466 is 6641225311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1101244225 + 33977241 = 33185^2 + 5829^2 .

It is not an unprimeable number, because it can be changed into a prime (1135221463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283805365 + ... + 283805368.

Almost surely, 2^1135221466 is an apocalyptic number.

1135221466 is a deficient number, since it is larger than the sum of its proper divisors (567610736).

1135221466 is an equidigital number, since it uses as much as digits as its factorization.

1135221466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567610735.

The product of its digits is 8640, while the sum is 31.

The square root of 1135221466 is about 33693.0477398528. The cubic root of 1135221466 is about 1043.1822725514.

Adding to 1135221466 its reverse (6641225311), we get a palindrome (7776446777).

The spelling of 1135221466 in words is "one billion, one hundred thirty-five million, two hundred twenty-one thousand, four hundred sixty-six".