Search a number
BaseRepresentation
bin11010100011010…
…10101000100000
3120112010002211000
431101222220200
5424010004010
634033552000
75343133554
oct1521525040
9515102730
10222734880
11104801015
1262715600
13371b74b4
142181d864
151484a7c0
hexd46aa20

222734880 has 192 divisors, whose sum is σ = 796884480. Its totient is φ = 58079232.

The previous prime is 222734873. The next prime is 222734893. The reversal of 222734880 is 88437222.

It is a super-2 number, since 2×2227348802 = 99221653537228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 202492 + ... + 203588.

It is an arithmetic number, because the mean of its divisors is an integer number (4150440).

Almost surely, 2222734880 is an apocalyptic number.

222734880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222734880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398442240).

222734880 is an abundant number, since it is smaller than the sum of its proper divisors (574149600).

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

222734880 is a wasteful number, since it uses less digits than its factorization.

222734880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 222734880 is about 14924.3050089443. The cubic root of 222734880 is about 606.1722870593.

The spelling of 222734880 in words is "two hundred twenty-two million, seven hundred thirty-four thousand, eight hundred eighty".