220355998 has 16 divisors (see below), whose sum is σ = 341568000. Its totient is φ = 106507800.

The previous prime is 220355983. The next prime is 220356001. The reversal of 220355998 is 899553022.

It is a happy number.

220355998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91753 + ... + 94123.

It is an arithmetic number, because the mean of its divisors is an integer number (21348000).

Almost surely, 2^220355998 is an apocalyptic number.

220355998 is a deficient number, since it is larger than the sum of its proper divisors (121212002).

220355998 is a wasteful number, since it uses less digits than its factorization.

220355998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 220355998 is about 14844.3928134498. The cubic root of 220355998 is about 604.0065182841.

The spelling of 220355998 in words is "two hundred twenty million, three hundred fifty-five thousand, nine hundred ninety-eight".