1222422054999 has 4 divisors (see below), whose sum is σ = 1629896073336. Its totient is φ = 814948036664.

The previous prime is 1222422054907. The next prime is 1222422055007. The reversal of 1222422054999 is 9994502242221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222422054999 - 2⁹ = 1222422054487 is a prime.

It is a super-3 number, since 3×1222422054999³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222422054499) by changing a digit.

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, 203737009164 + ... + 203737009169.

It is an arithmetic number, because the mean of its divisors is an integer number (407474018334).

Almost surely, 2^{1222422054999} is an apocalyptic number.

1222422054999 is a deficient number, since it is larger than the sum of its proper divisors (407474018337).

1222422054999 is an equidigital number, since it uses as much as digits as its factorization.

1222422054999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407474018336.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 1222422054999 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-two million, fifty-four thousand, nine hundred ninety-nine".