220747898 has 16 divisors (see below), whose sum is σ = 384630144. Its totient is φ = 93054960.

The previous prime is 220747897. The next prime is 220747921. The reversal of 220747898 is 898747022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220747897) 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 in 7 ways as a sum of consecutive naturals, for example, 128390 + ... + 130097.

It is an arithmetic number, because the mean of its divisors is an integer number (24039384).

Almost surely, 2^220747898 is an apocalyptic number.

220747898 is a deficient number, since it is larger than the sum of its proper divisors (163882246).

220747898 is a wasteful number, since it uses less digits than its factorization.

220747898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258557.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 220747898 is about 14857.5872200031. The cubic root of 220747898 is about 604.3643785445.

It can be divided in two parts, 2207 and 47898, that added together give a palindrome (50105).

The spelling of 220747898 in words is "two hundred twenty million, seven hundred forty-seven thousand, eight hundred ninety-eight".