22276458009 has 81 divisors (see below), whose sum is σ = 36077113917. Its totient is φ = 13239338112.

The previous prime is 22276457939. The next prime is 22276458013. The reversal of 22276458009 is 90085467222.

The square root of 22276458009 is 149253.

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

22276458009 is a `hidden beast` number, since 2 + 2 + 2 + 7 + 64 + 580 + 0 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9738729225 + 12537728784 = 98685^2 + 111972^2 .

It is not a de Polignac number, because 22276458009 - 2²³ = 22268069401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22276458109) 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 80 ways as a sum of consecutive naturals, for example, 250297237 + ... + 250297325.

Almost surely, 2^22276458009 is an apocalyptic number.

22276458009 is the 149253-rd square number.

22276458009 is the 74627-th centered octagonal number.

It is an amenable number.

22276458009 is a deficient number, since it is larger than the sum of its proper divisors (13800655908).

22276458009 is an equidigital number, since it uses as much as digits as its factorization.

22276458009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 22276458009 in words is "twenty-two billion, two hundred seventy-six million, four hundred fifty-eight thousand, nine".