78222282134318 has 24 divisors (see below), whose sum is σ = 137008873509552. Its totient is φ = 33396368135424.

The previous prime is 78222282134123. The next prime is 78222282134333. The reversal of 78222282134318 is 81343128222287.

It is a super-2 number, since 2×78222282134318² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 78222282134318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1517439155 + ... + 1517490702.

It is an arithmetic number, because the mean of its divisors is an integer number (5708703062898).

Almost surely, 2^{78222282134318} is an apocalyptic number.

78222282134318 is a deficient number, since it is larger than the sum of its proper divisors (58786591375234).

78222282134318 is a wasteful number, since it uses less digits than its factorization.

78222282134318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034930136 (or 3034930129 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 53.

The spelling of 78222282134318 in words is "seventy-eight trillion, two hundred twenty-two billion, two hundred eighty-two million, one hundred thirty-four thousand, three hundred eighteen".