226004921 has 2 divisors, whose sum is σ = 226004922. Its totient is φ = 226004920.

The previous prime is 226004881. The next prime is 226004963. The reversal of 226004921 is 129400622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133633600 + 92371321 = 11560^2 + 9611^2 .

It is a cyclic number.

It is not a de Polignac number, because 226004921 - 2¹⁴ = 225988537 is a prime.

It is not a weakly prime, because it can be changed into another prime (226004971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113002460 + 113002461.

It is an arithmetic number, because the mean of its divisors is an integer number (113002461).

Almost surely, 2^226004921 is an apocalyptic number.

It is an amenable number.

226004921 is a deficient number, since it is larger than the sum of its proper divisors (1).

226004921 is an equidigital number, since it uses as much as digits as its factorization.

226004921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 226004921 is about 15033.4600475074. The cubic root of 226004921 is about 609.1243559207.

The spelling of 226004921 in words is "two hundred twenty-six million, four thousand, nine hundred twenty-one".