226664405 has 32 divisors (see below), whose sum is σ = 314661888. Its totient is φ = 155174400.

The previous prime is 226664387. The next prime is 226664407. The reversal of 226664405 is 504466622.

It is not a de Polignac number, because 226664405 - 2⁶ = 226664341 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 (226664407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61289 + ... + 64881.

It is an arithmetic number, because the mean of its divisors is an integer number (9833184).

Almost surely, 2^226664405 is an apocalyptic number.

It is an amenable number.

226664405 is a deficient number, since it is larger than the sum of its proper divisors (87997483).

226664405 is a wasteful number, since it uses less digits than its factorization.

226664405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 226664405 is about 15055.3779427818. The cubic root of 226664405 is about 609.7162570003.

The spelling of 226664405 in words is "two hundred twenty-six million, six hundred sixty-four thousand, four hundred five".