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2222742 = 232711367
BaseRepresentation
bin1000011110101010010110
311011221000210
420132222112
51032111432
6115350250
724615204
oct10365226
94157023
102222742
111288a85
128b2386
135ca942
1441c074
152dd8cc
hex21ea96

2222742 has 16 divisors (see below), whose sum is σ = 4465152. Its totient is φ = 737640.

The previous prime is 2222741. The next prime is 2222761. The reversal of 2222742 is 2472222.

2222742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 943 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (279072).

22222742 is an apocalyptic number.

2222742 is an abundant number, since it is smaller than the sum of its proper divisors (2242410).

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

2222742 is a wasteful number, since it uses less digits than its factorization.

2222742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

The product of its digits is 896, while the sum is 21.

The square root of 2222742 is about 1490.8863135732. The cubic root of 2222742 is about 130.5057615518.

Adding to 2222742 its reverse (2472222), we get a palindrome (4694964).

The spelling of 2222742 in words is "two million, two hundred twenty-two thousand, seven hundred forty-two".

Divisors: 1 2 3 6 271 542 813 1367 1626 2734 4101 8202 370457 740914 1111371 2222742