2278022241686 has 8 divisors (see below), whose sum is σ = 3417039835704. Its totient is φ = 1139008963120.

The previous prime is 2278022241617. The next prime is 2278022241773. The reversal of 2278022241686 is 6861422208722.

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

It is a super-2 number, since 2×2278022241686² (a number of 26 digits) contains 22 as substring.

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, 1223546 + ... + 2460306.

It is an arithmetic number, because the mean of its divisors is an integer number (427129979463).

Almost surely, 2^{2278022241686} is an apocalyptic number.

2278022241686 is a deficient number, since it is larger than the sum of its proper divisors (1139017594018).

2278022241686 is a wasteful number, since it uses less digits than its factorization.

2278022241686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157726.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 2278022241686 in words is "two trillion, two hundred seventy-eight billion, twenty-two million, two hundred forty-one thousand, six hundred eighty-six".