226066222440 has 48 divisors (see below), whose sum is σ = 734715224100. Its totient is φ = 60284325888.

The previous prime is 226066222433. The next prime is 226066222453. The reversal of 226066222440 is 44222660622.

226066222440 is a `hidden beast` number, since 2 + 2 + 6 + 0 + 6 + 622 + 24 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 221914482084 + 4151740356 = 471078^2 + 64434^2 .

It is a super-2 number, since 2×226066222440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 226066222395 and 226066222404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313980505 + ... + 313981224.

Almost surely, 2^226066222440 is an apocalyptic number.

226066222440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226066222440 is an abundant number, since it is smaller than the sum of its proper divisors (508649001660).

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

226066222440 is a wasteful number, since it uses less digits than its factorization.

226066222440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627961746 (or 627961739 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 226066222440 in words is "two hundred twenty-six billion, sixty-six million, two hundred twenty-two thousand, four hundred forty".