220298387 has 2 divisors, whose sum is σ = 220298388. Its totient is φ = 220298386.

The previous prime is 220298321. The next prime is 220298497. The reversal of 220298387 is 783892022.

220298387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220298387 - 2¹⁴ = 220282003 is a prime.

It is not a weakly prime, because it can be changed into another prime (220298317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110149193 + 110149194.

It is an arithmetic number, because the mean of its divisors is an integer number (110149194).

Almost surely, 2^220298387 is an apocalyptic number.

220298387 is a deficient number, since it is larger than the sum of its proper divisors (1).

220298387 is an equidigital number, since it uses as much as digits as its factorization.

220298387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 220298387 is about 14842.4521895811. The cubic root of 220298387 is about 603.9538755109.

The spelling of 220298387 in words is "two hundred twenty million, two hundred ninety-eight thousand, three hundred eighty-seven".