226622561 has 8 divisors (see below), whose sum is σ = 248655744. Its totient is φ = 204827920.

The previous prime is 226622549. The next prime is 226622567. The reversal of 226622561 is 165226622.

226622561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 226622561 - 2⁶ = 226622497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226622567) 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, 57641 + ... + 61446.

It is an arithmetic number, because the mean of its divisors is an integer number (31081968).

Almost surely, 2^226622561 is an apocalyptic number.

It is an amenable number.

226622561 is a deficient number, since it is larger than the sum of its proper divisors (22033183).

226622561 is a wasteful number, since it uses less digits than its factorization.

226622561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119271.

The product of its digits is 17280, while the sum is 32.

The square root of 226622561 is about 15053.9882091092. The cubic root of 226622561 is about 609.6787352477.

The spelling of 226622561 in words is "two hundred twenty-six million, six hundred twenty-two thousand, five hundred sixty-one".