226421087 has 2 divisors, whose sum is σ = 226421088. Its totient is φ = 226421086.

The previous prime is 226421051. The next prime is 226421149. The reversal of 226421087 is 780124622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226421087 - 2¹⁶ = 226355551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226421887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113210543 + 113210544.

It is an arithmetic number, because the mean of its divisors is an integer number (113210544).

Almost surely, 2^226421087 is an apocalyptic number.

226421087 is a deficient number, since it is larger than the sum of its proper divisors (1).

226421087 is an equidigital number, since it uses as much as digits as its factorization.

226421087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 226421087 is about 15047.2950060800. The cubic root of 226421087 is about 609.4980076801.

The spelling of 226421087 in words is "two hundred twenty-six million, four hundred twenty-one thousand, eighty-seven".