226523121 has 16 divisors (see below), whose sum is σ = 330691008. Its totient is φ = 136785600.

The previous prime is 226523119. The next prime is 226523131. The reversal of 226523121 is 121325622.

It is not a de Polignac number, because 226523121 - 2¹ = 226523119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226523091 and 226523100.

It is not an unprimeable number, because it can be changed into a prime (226523131) 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, 3250 + ... + 21531.

It is an arithmetic number, because the mean of its divisors is an integer number (20668188).

Almost surely, 2^226523121 is an apocalyptic number.

It is an amenable number.

226523121 is a deficient number, since it is larger than the sum of its proper divisors (104167887).

226523121 is a wasteful number, since it uses less digits than its factorization.

226523121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25072.

The product of its digits is 1440, while the sum is 24.

The square root of 226523121 is about 15050.6850674645. The cubic root of 226523121 is about 609.5895483006.

Adding to 226523121 its reverse (121325622), we get a palindrome (347848743).

The spelling of 226523121 in words is "two hundred twenty-six million, five hundred twenty-three thousand, one hundred twenty-one".