Search a number
-
+
22441224020 = 2251122061201
BaseRepresentation
bin10100111001100110…
…011110011101010100
32010220222010022001012
4110321212132131110
5331424423132040
614150453151352
71423054154045
oct247146363524
963828108035
1022441224020
119576538836
12442362b558
1321683982a7
14112c5d68cc
158b5236865
hex53999e754

22441224020 has 12 divisors (see below), whose sum is σ = 47126570484. Its totient is φ = 8976489600.

The previous prime is 22441223941. The next prime is 22441224031. The reversal of 22441224020 is 2042214422.

It can be written as a sum of positive squares in 2 ways, for example, as 3675511876 + 18765712144 = 60626^2 + 136988^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561030581 + ... + 561030620.

It is an arithmetic number, because the mean of its divisors is an integer number (3927214207).

Almost surely, 222441224020 is an apocalyptic number.

22441224020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22441224020 is an abundant number, since it is smaller than the sum of its proper divisors (24685346464).

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

22441224020 is a wasteful number, since it uses less digits than its factorization.

22441224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122061210 (or 1122061208 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22441224020 its reverse (2042214422), we get a palindrome (24483438442).

The spelling of 22441224020 in words is "twenty-two billion, four hundred forty-one million, two hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 1122061201 2244122402 4488244804 5610306005 11220612010 22441224020