226656656622 has 64 divisors (see below), whose sum is σ = 550362124800. Its totient is φ = 68572405440.

The previous prime is 226656656621. The next prime is 226656656659.

226656656622 is a `hidden beast` number, since 2 + 2 + 6 + 6 + 5 + 6 + 6 + 5 + 6 + 622 = 666.

226656656622 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226656656621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57279 + ... + 675717.

It is an arithmetic number, because the mean of its divisors is an integer number (8599408200).

Almost surely, 2^226656656622 is an apocalyptic number.

226656656622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 226656656622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275181062400).

226656656622 is an abundant number, since it is smaller than the sum of its proper divisors (323705468178).

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

226656656622 is a wasteful number, since it uses less digits than its factorization.

226656656622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619078 (or 619072 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 54.

The spelling of 226656656622 in words is "two hundred twenty-six billion, six hundred fifty-six million, six hundred fifty-six thousand, six hundred twenty-two".