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226572222 = 23191211937
BaseRepresentation
bin11011000000100…
…11011110111110
3120210100001122210
431200103132332
5431000302342
634252121250
75420555262
oct1540233676
9523301583
10226572222
11106992078
1263a66226
1337c2c006
142213c0a2
1514d5779c
hexd8137be

226572222 has 32 divisors (see below), whose sum is σ = 458164224. Its totient is φ = 74692800.

The previous prime is 226572197. The next prime is 226572223. The reversal of 226572222 is 222275622.

226572222 is a Rhonda number in base 10.

Its product of digits (13440) is a multiple of the sum of its prime divisors (1344).

It is a self number, because there is not a number n which added to its sum of digits gives 226572222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226572223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241338 + ... + 242274.

It is an arithmetic number, because the mean of its divisors is an integer number (14317632).

Almost surely, 2226572222 is an apocalyptic number.

226572222 is an abundant number, since it is smaller than the sum of its proper divisors (231592002).

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

226572222 is a wasteful number, since it uses less digits than its factorization.

226572222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its digits is 13440, while the sum is 30.

The square root of 226572222 is about 15052.3161672880. The cubic root of 226572222 is about 609.6335898594.

The spelling of 226572222 in words is "two hundred twenty-six million, five hundred seventy-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 191 211 382 422 573 633 937 1146 1266 1874 2811 5622 40301 80602 120903 178967 197707 241806 357934 395414 536901 593121 1073802 1186242 37762037 75524074 113286111 226572222