226858621 has 8 divisors (see below), whose sum is σ = 248565600. Its totient is φ = 205332240.

The previous prime is 226858601. The next prime is 226858631. The reversal of 226858621 is 126858622.

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 226858621 - 2⁷ = 226858493 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 (226858601) 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, 42511 + ... + 47548.

It is an arithmetic number, because the mean of its divisors is an integer number (31070700).

Almost surely, 2^226858621 is an apocalyptic number.

It is an amenable number.

226858621 is a deficient number, since it is larger than the sum of its proper divisors (21706979).

226858621 is a wasteful number, since it uses less digits than its factorization.

226858621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90299.

The product of its digits is 92160, while the sum is 40.

The square root of 226858621 is about 15061.8266156532. The cubic root of 226858621 is about 609.8903511596.

Subtracting from 226858621 its reverse (126858622), we obtain a palindrome (99999999).

The spelling of 226858621 in words is "two hundred twenty-six million, eight hundred fifty-eight thousand, six hundred twenty-one".