2222455666678 has 8 divisors (see below), whose sum is σ = 3590120692368. Its totient is φ = 1025748769224.

The previous prime is 2222455666643. The next prime is 2222455666679. The reversal of 2222455666678 is 8766665542222.

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

It is a super-3 number, since 3×2222455666678³ (a number of 38 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222455666679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42739532026 + ... + 42739532077.

It is an arithmetic number, because the mean of its divisors is an integer number (448765086546).

Almost surely, 2^{2222455666678} is an apocalyptic number.

2222455666678 is a deficient number, since it is larger than the sum of its proper divisors (1367665025690).

2222455666678 is a wasteful number, since it uses less digits than its factorization.

2222455666678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85479064118.

The product of its digits is 116121600, while the sum is 61.

The spelling of 2222455666678 in words is "two trillion, two hundred twenty-two billion, four hundred fifty-five million, six hundred sixty-six thousand, six hundred seventy-eight".