2275916008221 has 12 divisors (see below), whose sum is σ = 3290692358460. Its totient is φ = 1515773589120.

The previous prime is 2275916008217. The next prime is 2275916008259. The reversal of 2275916008221 is 1228006195722.

It can be written as a sum of positive squares in 2 ways, for example, as 1176953765625 + 1098962242596 = 1084875^2 + 1048314^2 .

It is not a de Polignac number, because 2275916008221 - 2² = 2275916008217 is a prime.

It is a super-2 number, since 2×2275916008221² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275916008291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125302890 + ... + 125321051.

It is an arithmetic number, because the mean of its divisors is an integer number (274224363205).

Almost surely, 2^{2275916008221} is an apocalyptic number.

It is an amenable number.

2275916008221 is a deficient number, since it is larger than the sum of its proper divisors (1014776350239).

2275916008221 is a wasteful number, since it uses less digits than its factorization.

2275916008221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250624956 (or 250624953 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 2275916008221 in words is "two trillion, two hundred seventy-five billion, nine hundred sixteen million, eight thousand, two hundred twenty-one".