226821128622 has 48 divisors (see below), whose sum is σ = 524875370880. Its totient is φ = 65116109520.

The previous prime is 226821128591. The next prime is 226821128663.

It is a happy number.

226821128622 is nontrivially palindromic in base 10.

226821128622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8207938 + ... + 8235525.

It is an arithmetic number, because the mean of its divisors is an integer number (10934903560).

Almost surely, 2^226821128622 is an apocalyptic number.

226821128622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

226821128622 is an abundant number, since it is smaller than the sum of its proper divisors (298054242258).

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

226821128622 is a wasteful number, since it uses less digits than its factorization.

226821128622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443509 (or 16443498 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The spelling of 226821128622 in words is "two hundred twenty-six billion, eight hundred twenty-one million, one hundred twenty-eight thousand, six hundred twenty-two".