Search a number
-
+
226244420 = 22511312221
BaseRepresentation
bin11010111110000…
…11011101000100
3120202201101222222
431133003131010
5430404310140
634241111512
75415021503
oct1537033504
9522641888
10226244420
11106788866
1263928598
1337b45a4c
142209483a
1514ce05b5
hexd7c3744

226244420 has 12 divisors (see below), whose sum is σ = 475113324. Its totient is φ = 90497760.

The previous prime is 226244401. The next prime is 226244477. The reversal of 226244420 is 24442622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29571844 + 196672576 = 5438^2 + 14024^2 .

It is a super-2 number, since 2×2262444202 = 102373075162272800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226244420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5656091 + ... + 5656130.

It is an arithmetic number, because the mean of its divisors is an integer number (39592777).

Almost surely, 2226244420 is an apocalyptic number.

226244420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226244420 is an abundant number, since it is smaller than the sum of its proper divisors (248868904).

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

226244420 is a wasteful number, since it uses less digits than its factorization.

226244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312230 (or 11312228 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 226244420 is about 15041.4234698715. The cubic root of 226244420 is about 609.3394444124.

The spelling of 226244420 in words is "two hundred twenty-six million, two hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 11312221 22624442 45248884 56561105 113122210 226244420