220154 has 8 divisors (see below), whose sum is σ = 360288.
Its totient is φ = 100060.
The previous prime is 220151. The next prime is 220163. The reversal of 220154 is 451022.
Adding to 220154 its reverse (451022), we get a palindrome (671176).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (220151) 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 3 ways as a sum of consecutive naturals, for example, 4982 + ... + 5025.
It is an arithmetic number, because the mean of its divisors is an integer number (45036).
2220154 is an apocalyptic number.
220154 is a deficient number, since it is larger than the sum of its proper divisors (140134).
220154 is a wasteful number, since it uses less digits than its factorization.
220154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10020.
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 220154 is about 469.2057118152.
The cubic root of 220154 is about 60.3821899743.
The spelling of 220154 in words is "two hundred twenty thousand, one hundred fifty-four".