226890787 has 2 divisors, whose sum is σ = 226890788. Its totient is φ = 226890786.

The previous prime is 226890749. The next prime is 226890817. The reversal of 226890787 is 787098622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226890787 - 2²⁷ = 92673059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226890787.

It is not a weakly prime, because it can be changed into another prime (226890737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113445393 + 113445394.

It is an arithmetic number, because the mean of its divisors is an integer number (113445394).

Almost surely, 2^226890787 is an apocalyptic number.

226890787 is a deficient number, since it is larger than the sum of its proper divisors (1).

226890787 is an equidigital number, since it uses as much as digits as its factorization.

226890787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 226890787 is about 15062.8943765798. The cubic root of 226890787 is about 609.9191749939.

The spelling of 226890787 in words is "two hundred twenty-six million, eight hundred ninety thousand, seven hundred eighty-seven".