220854911 has 2 divisors, whose sum is σ = 220854912. Its totient is φ = 220854910.

The previous prime is 220854889. The next prime is 220854919. The reversal of 220854911 is 119458022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220854911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220854919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110427455 + 110427456.

It is an arithmetic number, because the mean of its divisors is an integer number (110427456).

Almost surely, 2^220854911 is an apocalyptic number.

220854911 is a deficient number, since it is larger than the sum of its proper divisors (1).

220854911 is an equidigital number, since it uses as much as digits as its factorization.

220854911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 220854911 is about 14861.1880749824. The cubic root of 220854911 is about 604.4620229581.

The spelling of 220854911 in words is "two hundred twenty million, eight hundred fifty-four thousand, nine hundred eleven".