226459921 has 2 divisors, whose sum is σ = 226459922. Its totient is φ = 226459920.

The previous prime is 226459903. The next prime is 226459949. The reversal of 226459921 is 129954622.

226459921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127238400 + 99221521 = 11280^2 + 9961^2 .

It is a cyclic number.

It is not a de Polignac number, because 226459921 - 2⁵ = 226459889 is a prime.

It is not a weakly prime, because it can be changed into another prime (226459901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113229960 + 113229961.

It is an arithmetic number, because the mean of its divisors is an integer number (113229961).

Almost surely, 2^226459921 is an apocalyptic number.

It is an amenable number.

226459921 is a deficient number, since it is larger than the sum of its proper divisors (1).

226459921 is an equidigital number, since it uses as much as digits as its factorization.

226459921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 226459921 is about 15048.5853487961. The cubic root of 226459921 is about 609.5328511553.

The spelling of 226459921 in words is "two hundred twenty-six million, four hundred fifty-nine thousand, nine hundred twenty-one".