220155598 has 8 divisors (see below), whose sum is σ = 355636008. Its totient is φ = 101610264.

The previous prime is 220155581. The next prime is 220155601. The reversal of 220155598 is 895551022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4233736 + ... + 4233787.

It is an arithmetic number, because the mean of its divisors is an integer number (44454501).

Almost surely, 2^220155598 is an apocalyptic number.

220155598 is a deficient number, since it is larger than the sum of its proper divisors (135480410).

220155598 is a wasteful number, since it uses less digits than its factorization.

220155598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467538.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 220155598 is about 14837.6412545930. The cubic root of 220155598 is about 603.8233606974.

The spelling of 220155598 in words is "two hundred twenty million, one hundred fifty-five thousand, five hundred ninety-eight".