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222704140 = 22511135207
BaseRepresentation
bin11010100011000…
…11001000001100
3120112001112122111
431101203020030
5424003013030
634033153404
75342645131
oct1521431014
9515045574
10222704140
1110478aa0a
12626bb864
13371a64c9
1421812588
151484162a
hexd46320c

222704140 has 12 divisors (see below), whose sum is σ = 467678736. Its totient is φ = 89081648.

The previous prime is 222704123. The next prime is 222704171. The reversal of 222704140 is 41407222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5567584 + ... + 5567623.

It is an arithmetic number, because the mean of its divisors is an integer number (38973228).

Almost surely, 2222704140 is an apocalyptic number.

222704140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222704140 is an abundant number, since it is smaller than the sum of its proper divisors (244974596).

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

222704140 is a wasteful number, since it uses less digits than its factorization.

222704140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135216 (or 11135214 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 222704140 is about 14923.2751097070. The cubic root of 222704140 is about 606.1443995047.

The spelling of 222704140 in words is "two hundred twenty-two million, seven hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 11135207 22270414 44540828 55676035 111352070 222704140