226042121 has 4 divisors (see below), whose sum is σ = 229415952. Its totient is φ = 222668292.

The previous prime is 226042109. The next prime is 226042123. The reversal of 226042121 is 121240622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226042121 - 2¹⁰ = 226041097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226042093 and 226042102.

It is not an unprimeable number, because it can be changed into a prime (226042123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686815 + ... + 1686948.

It is an arithmetic number, because the mean of its divisors is an integer number (57353988).

Almost surely, 2^226042121 is an apocalyptic number.

It is an amenable number.

226042121 is a deficient number, since it is larger than the sum of its proper divisors (3373831).

226042121 is an equidigital number, since it uses as much as digits as its factorization.

226042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373830.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 226042121 is about 15034.6972367255. The cubic root of 226042121 is about 609.1577743418.

Adding to 226042121 its reverse (121240622), we get a palindrome (347282743).

The spelling of 226042121 in words is "two hundred twenty-six million, forty-two thousand, one hundred twenty-one".