220874963 has 2 divisors, whose sum is σ = 220874964. Its totient is φ = 220874962.

The previous prime is 220874921. The next prime is 220875013. The reversal of 220874963 is 369478022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220874963 is a prime.

It is a Sophie Germain prime.

It is equal to p_12167987 and since 220874963 and 12167987 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220874963.

It is not a weakly prime, because it can be changed into another prime (220874263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110437481 + 110437482.

It is an arithmetic number, because the mean of its divisors is an integer number (110437482).

Almost surely, 2^220874963 is an apocalyptic number.

220874963 is a deficient number, since it is larger than the sum of its proper divisors (1).

220874963 is an equidigital number, since it uses as much as digits as its factorization.

220874963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 220874963 is about 14861.8627029050. The cubic root of 220874963 is about 604.4803159717.

The spelling of 220874963 in words is "two hundred twenty million, eight hundred seventy-four thousand, nine hundred sixty-three".