2272807766421 has 10 divisors (see below), whose sum is σ = 3395181972182. Its totient is φ = 1515205177560.

The previous prime is 2272807766401. The next prime is 2272807766441. The reversal of 2272807766421 is 1246677082722.

2272807766421 is a `hidden beast` number, since 2 + 2 + 72 + 80 + 7 + 76 + 6 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (2272807766401) and next prime (2272807766441).

It can be written as a sum of positive squares in only one way, i.e., 2018374283025 + 254433483396 = 1420695^2 + 504414^2 .

It is not a de Polignac number, because 2272807766421 - 2⁵ = 2272807766389 is a prime.

It is a super-2 number, since 2×2272807766421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272807766401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14029677490 + ... + 14029677651.

Almost surely, 2^{2272807766421} is an apocalyptic number.

It is an amenable number.

2272807766421 is a deficient number, since it is larger than the sum of its proper divisors (1122374205761).

2272807766421 is an equidigital number, since it uses as much as digits as its factorization.

2272807766421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28059355153 (or 28059355144 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 2272807766421 in words is "two trillion, two hundred seventy-two billion, eight hundred seven million, seven hundred sixty-six thousand, four hundred twenty-one".