4221936277866 has 12 divisors (see below), whose sum is σ = 9147528602082. Its totient is φ = 1407312092616.

The previous prime is 4221936277859. The next prime is 4221936277877. The reversal of 4221936277866 is 6687726391224.

4221936277866 is a `hidden beast` number, since 42 + 219 + 36 + 277 + 86 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2916563762025 + 1305372515841 = 1707795^2 + 1142529^2 .

It is a super-2 number, since 2×4221936277866² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117276007701 + ... + 117276007736.

Almost surely, 2^{4221936277866} is an apocalyptic number.

4221936277866 is an abundant number, since it is smaller than the sum of its proper divisors (4925592324216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221936277866 is a wasteful number, since it uses less digits than its factorization.

4221936277866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234552015445 (or 234552015442 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 4221936277866 in words is "four trillion, two hundred twenty-one billion, nine hundred thirty-six million, two hundred seventy-seven thousand, eight hundred sixty-six".