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22444244825 = 521740151593
BaseRepresentation
bin10100111001110001…
…111111111101011001
32010221011210202210212
4110321301333331121
5331431211313300
614151042020505
71423121635052
oct247161777531
963834722725
1022444244825
119578211372
124424647735
132168bb5252
14112cb81729
158b5631935
hex539c7ff59

22444244825 has 12 divisors (see below), whose sum is σ = 27833002428. Its totient is φ = 17954016000.

The previous prime is 22444244791. The next prime is 22444244839. The reversal of 22444244825 is 52844244422.

It can be written as a sum of positive squares in 6 ways, for example, as 1485023296 + 20959221529 = 38536^2 + 144773^2 .

It is not a de Polignac number, because 22444244825 - 218 = 22443982681 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409229 + ... + 460821.

It is an arithmetic number, because the mean of its divisors is an integer number (2319416869).

Almost surely, 222444244825 is an apocalyptic number.

22444244825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22444244825 is a deficient number, since it is larger than the sum of its proper divisors (5388757603).

22444244825 is a wasteful number, since it uses less digits than its factorization.

22444244825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69004 (or 68999 counting only the distinct ones).

The product of its digits is 655360, while the sum is 41.

The spelling of 22444244825 in words is "twenty-two billion, four hundred forty-four million, two hundred forty-four thousand, eight hundred twenty-five".

Divisors: 1 5 25 17401 51593 87005 257965 435025 1289825 897769793 4488848965 22444244825