1122232666 has 4 divisors (see below), whose sum is σ = 1683349002. Its totient is φ = 561116332.

The previous prime is 1122232649. The next prime is 1122232693. The reversal of 1122232666 is 6662322211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6662322211 = 5743 ⋅1160077.

It can be written as a sum of positive squares in only one way, i.e., 907756641 + 214476025 = 30129^2 + 14645^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280558165 + ... + 280558168.

Almost surely, 2^1122232666 is an apocalyptic number.

1122232666 is a deficient number, since it is larger than the sum of its proper divisors (561116336).

1122232666 is an equidigital number, since it uses as much as digits as its factorization.

1122232666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561116335.

The product of its digits is 10368, while the sum is 31.

The square root of 1122232666 is about 33499.7412825831. The cubic root of 1122232666 is about 1039.1884281157.

Adding to 1122232666 its reverse (6662322211), we get a palindrome (7784554877).

The spelling of 1122232666 in words is "one billion, one hundred twenty-two million, two hundred thirty-two thousand, six hundred sixty-six".