1222236144194 has 8 divisors (see below), whose sum is σ = 1974381463740. Its totient is φ = 564108989616.

The previous prime is 1222236144187. The next prime is 1222236144203. The reversal of 1222236144194 is 4914416322221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 943351815169 + 278884329025 = 971263^2 + 528095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1222236144194² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23504541209 + ... + 23504541260.

Almost surely, 2^{1222236144194} is an apocalyptic number.

1222236144194 is a deficient number, since it is larger than the sum of its proper divisors (752145319546).

1222236144194 is a wasteful number, since it uses less digits than its factorization.

1222236144194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47009082484.

The product of its digits is 165888, while the sum is 41.

The spelling of 1222236144194 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-six million, one hundred forty-four thousand, one hundred ninety-four".