220474927 has 2 divisors, whose sum is σ = 220474928. Its totient is φ = 220474926.

The previous prime is 220474913. The next prime is 220474931. The reversal of 220474927 is 729474022.

220474927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220474927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220474997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110237463 + 110237464.

It is an arithmetic number, because the mean of its divisors is an integer number (110237464).

Almost surely, 2^220474927 is an apocalyptic number.

220474927 is a deficient number, since it is larger than the sum of its proper divisors (1).

220474927 is an equidigital number, since it uses as much as digits as its factorization.

220474927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 220474927 is about 14848.3981290912. The cubic root of 220474927 is about 604.1151621339.

The spelling of 220474927 in words is "two hundred twenty million, four hundred seventy-four thousand, nine hundred twenty-seven".