426866222500 has 135 divisors (see below), whose sum is σ = 951750374421. Its totient is φ = 167466672000.

The previous prime is 426866222467. The next prime is 426866222501. The reversal of 426866222500 is 5222668624.

The square root of 426866222500 is 653350.

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

It can be written as a sum of positive squares in 7 ways, for example, as 302770660516 + 124095561984 = 550246^2 + 352272^2 .

It is a super-3 number, since 3×426866222500³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426866222501) 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 44 ways as a sum of consecutive naturals, for example, 2384727411 + ... + 2384727589.

Almost surely, 2^426866222500 is an apocalyptic number.

426866222500 is the 653350-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426866222500

426866222500 is an abundant number, since it is smaller than the sum of its proper divisors (524884151921).

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

426866222500 is an frugal number, since it uses more digits than its factorization.

426866222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 426866222500 in words is "four hundred twenty-six billion, eight hundred sixty-six million, two hundred twenty-two thousand, five hundred".