780011222222 has 8 divisors (see below), whose sum is σ = 1170085159056. Its totient is φ = 389982835872.

The previous prime is 780011222203. The next prime is 780011222239. The reversal of 780011222222 is 222222110087.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11344778 + ... + 11413325.

It is an arithmetic number, because the mean of its divisors is an integer number (146260644882).

Almost surely, 2^780011222222 is an apocalyptic number.

780011222222 is a deficient number, since it is larger than the sum of its proper divisors (390073936834).

780011222222 is a wasteful number, since it uses less digits than its factorization.

780011222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22775242.

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 780011222222 in words is "seven hundred eighty billion, eleven million, two hundred twenty-two thousand, two hundred twenty-two".