222838035291766 has 4 divisors (see below), whose sum is σ = 334257052937652. Its totient is φ = 111419017645882.

The previous prime is 222838035291757. The next prime is 222838035291791. The reversal of 222838035291766 is 667192530838222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222838035291698 and 222838035291707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55709508822940 + ... + 55709508822943.

It is an arithmetic number, because the mean of its divisors is an integer number (83564263234413).

Almost surely, 2^{222838035291766} is an apocalyptic number.

222838035291766 is a deficient number, since it is larger than the sum of its proper divisors (111419017645886).

222838035291766 is a wasteful number, since it uses less digits than its factorization.

222838035291766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111419017645885.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 222838035291766 in words is "two hundred twenty-two trillion, eight hundred thirty-eight billion, thirty-five million, two hundred ninety-one thousand, seven hundred sixty-six".