226435621 has 8 divisors (see below), whose sum is σ = 236548224. Its totient is φ = 216345360.

The previous prime is 226435603. The next prime is 226435633. The reversal of 226435621 is 126534622.

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

It is not a de Polignac number, because 226435621 - 2⁷ = 226435493 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 (226435021) 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, 17151 + ... + 27331.

It is an arithmetic number, because the mean of its divisors is an integer number (29568528).

Almost surely, 2^226435621 is an apocalyptic number.

It is an amenable number.

226435621 is a deficient number, since it is larger than the sum of its proper divisors (10112603).

226435621 is a wasteful number, since it uses less digits than its factorization.

226435621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11171.

The product of its digits is 17280, while the sum is 31.

The square root of 226435621 is about 15047.7779422744. Note that the first 3 decimals coincide. The cubic root of 226435621 is about 609.5110486541.

Subtracting from 226435621 its reverse (126534622), we obtain a palindrome (99900999).

The spelling of 226435621 in words is "two hundred twenty-six million, four hundred thirty-five thousand, six hundred twenty-one".