226488621 has 8 divisors (see below), whose sum is σ = 302659200. Its totient is φ = 150655232.

The previous prime is 226488583. The next prime is 226488631. The reversal of 226488621 is 126884622.

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 226488621 - 2⁹ = 226488109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226488621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226488631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82725 + ... + 85418.

It is an arithmetic number, because the mean of its divisors is an integer number (37832400).

Almost surely, 2^226488621 is an apocalyptic number.

It is an amenable number.

226488621 is a deficient number, since it is larger than the sum of its proper divisors (76170579).

226488621 is a wasteful number, since it uses less digits than its factorization.

226488621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168595.

The product of its digits is 73728, while the sum is 39.

The square root of 226488621 is about 15049.5388965908. The cubic root of 226488621 is about 609.5585994257.

The spelling of 226488621 in words is "two hundred twenty-six million, four hundred eighty-eight thousand, six hundred twenty-one".