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222982040 = 2355574551
BaseRepresentation
bin11010100101001…
…10111110011000
3120112120122212002
431102212332120
5424040411130
634043140132
75345213261
oct1522467630
9515518762
10222982040
1110495a786
1262814648
1337272b48
1421885968
1514898b45
hexd4a6f98

222982040 has 16 divisors (see below), whose sum is σ = 501709680. Its totient is φ = 89192800.

The previous prime is 222982037. The next prime is 222982049. The reversal of 222982040 is 40289222.

It is a junction number, because it is equal to n+sod(n) for n = 222981994 and 222982012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222982049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787236 + ... + 2787315.

It is an arithmetic number, because the mean of its divisors is an integer number (31356855).

Almost surely, 2222982040 is an apocalyptic number.

222982040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222982040 is an abundant number, since it is smaller than the sum of its proper divisors (278727640).

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

222982040 is a wasteful number, since it uses less digits than its factorization.

222982040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574562 (or 5574558 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 222982040 is about 14932.5831656817. The cubic root of 222982040 is about 606.3964192347.

The spelling of 222982040 in words is "two hundred twenty-two million, nine hundred eighty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 5574551 11149102 22298204 27872755 44596408 55745510 111491020 222982040