2182276426009 has 9 divisors (see below), whose sum is σ = 2189379886869. Its totient is φ = 2175195952380.

The previous prime is 2182276425983. The next prime is 2182276426021. The reversal of 2182276426009 is 9006246722812.

The square root of 2182276426009 is 1477253.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2182276426009 - 2¹⁷ = 2182276294937 is a prime.

It is a super-2 number, since 2×2182276426009² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2182276426909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 488968512 + ... + 488972974.

Almost surely, 2^{2182276426009} is an apocalyptic number.

2182276426009 is the 1477253-rd square number.

2182276426009 is the 738627-th centered octagonal number.

It is an amenable number.

2182276426009 is a deficient number, since it is larger than the sum of its proper divisors (7103460860).

2182276426009 is an frugal number, since it uses more digits than its factorization.

2182276426009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588 (or 4794 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

Multiplying 2182276426009 by its sum of digits (49), we get a square (106931544874441 = 10340771²).

The spelling of 2182276426009 in words is "two trillion, one hundred eighty-two billion, two hundred seventy-six million, four hundred twenty-six thousand, nine".