226022323220621 has 8 divisors (see below), whose sum is σ = 227424523450488. Its totient is φ = 224621809344000.

The previous prime is 226022323220563. The next prime is 226022323220641. The reversal of 226022323220621 is 126022323220622.

It can be written as a sum of positive squares in 4 ways, for example, as 5751310479721 + 220271012740900 = 2398189^2 + 14841530^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226022323220621 - 2¹⁸ = 226022322958477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226022323220641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421319420 + ... + 421855541.

It is an arithmetic number, because the mean of its divisors is an integer number (28428065431311).

Almost surely, 2^{226022323220621} is an apocalyptic number.

It is an amenable number.

226022323220621 is a deficient number, since it is larger than the sum of its proper divisors (1402200229867).

226022323220621 is a wasteful number, since it uses less digits than its factorization.

226022323220621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843176623.

The product of its (nonzero) digits is 82944, while the sum is 35.

Subtracting from 226022323220621 its reverse (126022323220622), we obtain a palindrome (99999999999999).

The spelling of 226022323220621 in words is "two hundred twenty-six trillion, twenty-two billion, three hundred twenty-three million, two hundred twenty thousand, six hundred twenty-one".