226520973 has 24 divisors (see below), whose sum is σ = 381576000. Its totient is φ = 129438792.

The previous prime is 226520963. The next prime is 226520977. The reversal of 226520973 is 379025622.

226520973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226520973 - 2¹⁴ = 226504589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226520977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33603 + ... + 39776.

It is an arithmetic number, because the mean of its divisors is an integer number (15899000).

Almost surely, 2^226520973 is an apocalyptic number.

It is an amenable number.

226520973 is a deficient number, since it is larger than the sum of its proper divisors (155055027).

226520973 is an equidigital number, since it uses as much as digits as its factorization.

226520973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73406 (or 73389 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 226520973 is about 15050.6137084173. The cubic root of 226520973 is about 609.5876214885.

The spelling of 226520973 in words is "two hundred twenty-six million, five hundred twenty thousand, nine hundred seventy-three".