1222040192 has 16 divisors (see below), whose sum is σ = 2434533450. Its totient is φ = 611020032.

The previous prime is 1222040191. The next prime is 1222040203. The reversal of 1222040192 is 2910402221.

It can be written as a sum of positive squares in only one way, i.e., 840072256 + 381967936 = 28984^2 + 19544^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (1222040191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4773467 + ... + 4773722.

Almost surely, 2^1222040192 is an apocalyptic number.

It is an amenable number.

1222040192 is a deficient number, since it is larger than the sum of its proper divisors (1212493258).

1222040192 is an frugal number, since it uses more digits than its factorization.

1222040192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9547203 (or 9547191 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1222040192 is about 34957.6914569598. The cubic root of 1222040192 is about 1069.1250284372.

The spelling of 1222040192 in words is "one billion, two hundred twenty-two million, forty thousand, one hundred ninety-two".