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2226460820 = 225758914669
BaseRepresentation
bin1000010010110101…
…0001100010010100
312202011110221001212
42010231101202110
514024433221240
61004532440552
7106113414263
oct20455214224
95664427055
102226460820
11a42862a71
12521779158
1329636774c
141719a85da
15d06e7165
hex84b51894

2226460820 has 24 divisors (see below), whose sum is σ = 4676502600. Its totient is φ = 890406272.

The previous prime is 2226460801. The next prime is 2226460849. The reversal of 2226460820 is 280646222.

It can be written as a sum of positive squares in 4 ways, for example, as 7862416 + 2218598404 = 2804^2 + 47102^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144446 + ... + 159114.

It is an arithmetic number, because the mean of its divisors is an integer number (194854275).

Almost surely, 22226460820 is an apocalyptic number.

2226460820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2226460820 is an abundant number, since it is smaller than the sum of its proper divisors (2450041780).

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

2226460820 is a wasteful number, since it uses less digits than its factorization.

2226460820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22267 (or 22265 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 2226460820 is about 47185.3877805407. The cubic root of 2226460820 is about 1305.7850309117.

The spelling of 2226460820 in words is "two billion, two hundred twenty-six million, four hundred sixty thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 7589 14669 15178 29338 30356 37945 58676 73345 75890 146690 151780 293380 111323041 222646082 445292164 556615205 1113230410 2226460820