226280521 has 2 divisors, whose sum is σ = 226280522. Its totient is φ = 226280520.

The previous prime is 226280503. The next prime is 226280539. The reversal of 226280521 is 125082622.

226280521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (226280503) and next prime (226280539).

It can be written as a sum of positive squares in only one way, i.e., 206353225 + 19927296 = 14365^2 + 4464^2 .

It is a cyclic number.

It is not a de Polignac number, because 226280521 - 2⁹ = 226280009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226280521.

It is not a weakly prime, because it can be changed into another prime (226280581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113140260 + 113140261.

It is an arithmetic number, because the mean of its divisors is an integer number (113140261).

Almost surely, 2^226280521 is an apocalyptic number.

It is an amenable number.

226280521 is a deficient number, since it is larger than the sum of its proper divisors (1).

226280521 is an equidigital number, since it uses as much as digits as its factorization.

226280521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 226280521 is about 15042.6234746470. The cubic root of 226280521 is about 609.3718527157.

It can be divided in two parts, 226280 and 521, that added together give a triangular number (226801 = T₆₇₃).

The spelling of 226280521 in words is "two hundred twenty-six million, two hundred eighty thousand, five hundred twenty-one".