220598550 has 72 divisors (see below), whose sum is σ = 623892360. Its totient is φ = 55728000.

The previous prime is 220598507. The next prime is 220598593. The reversal of 220598550 is 55895022.

It is an interprime number because it is at equal distance from previous prime (220598507) and next prime (220598593).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4351 + ... + 21450.

Almost surely, 2^220598550 is an apocalyptic number.

220598550 is an abundant number, since it is smaller than the sum of its proper divisors (403293810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220598550 is a wasteful number, since it uses less digits than its factorization.

220598550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25838 (or 25830 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 220598550 is about 14852.5603853342. The cubic root of 220598550 is about 604.2280526344.

The spelling of 220598550 in words is "two hundred twenty million, five hundred ninety-eight thousand, five hundred fifty".