1122199966 has 4 divisors (see below), whose sum is σ = 1683299952. Its totient is φ = 561099982.

The previous prime is 1122199957. The next prime is 1122200029. The reversal of 1122199966 is 6699912211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6699912211 = 17 ⋅394112483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280549990 + ... + 280549993.

It is an arithmetic number, because the mean of its divisors is an integer number (420824988).

Almost surely, 2^1122199966 is an apocalyptic number.

1122199966 is a deficient number, since it is larger than the sum of its proper divisors (561099986).

1122199966 is an equidigital number, since it uses as much as digits as its factorization.

1122199966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561099985.

The product of its digits is 104976, while the sum is 46.

The square root of 1122199966 is about 33499.2532155569. The cubic root of 1122199966 is about 1039.1783346082.

The spelling of 1122199966 in words is "one billion, one hundred twenty-two million, one hundred ninety-nine thousand, nine hundred sixty-six".