226620323281 has 16 divisors (see below), whose sum is σ = 247637606400. Its totient is φ = 205672521600.

The previous prime is 226620323261. The next prime is 226620323291. The reversal of 226620323281 is 182323026622.

It is a cyclic number.

It is not a de Polignac number, because 226620323281 - 2⁹ = 226620322769 is a prime.

It is a super-2 number, since 2×226620323281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226620323281.

It is not an unprimeable number, because it can be changed into a prime (226620323201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27662896 + ... + 27671086.

It is an arithmetic number, because the mean of its divisors is an integer number (15477350400).

Almost surely, 2^226620323281 is an apocalyptic number.

It is an amenable number.

226620323281 is a deficient number, since it is larger than the sum of its proper divisors (21017283119).

226620323281 is a wasteful number, since it uses less digits than its factorization.

226620323281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 226620323281 in words is "two hundred twenty-six billion, six hundred twenty million, three hundred twenty-three thousand, two hundred eighty-one".