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2922281 = 6614421
BaseRepresentation
bin1011001001011100101001
312111110121122
423021130221
51222003111
6142345025
733560525
oct13113451
95443548
102922281
11171660a
12b8b175
137b417b
14560d85
153cacdb
hex2c9729

2922281 has 4 divisors (see below), whose sum is σ = 2927364. Its totient is φ = 2917200.

The previous prime is 2922259. The next prime is 2922287. The reversal of 2922281 is 1822292.

2922281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2374681 + 547600 = 1541^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2922281 - 218 = 2660137 is a prime.

It is a super-2 number, since 2×29222812 = 17079452485922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2922281.

It is not an unprimeable number, because it can be changed into a prime (2922287) 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 3 ways as a sum of consecutive naturals, for example, 1550 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (731841).

22922281 is an apocalyptic number.

It is an amenable number.

2922281 is a deficient number, since it is larger than the sum of its proper divisors (5083).

2922281 is an equidigital number, since it uses as much as digits as its factorization.

2922281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082.

The product of its digits is 1152, while the sum is 26.

The square root of 2922281 is about 1709.4680459137. The cubic root of 2922281 is about 142.9685979265.

The spelling of 2922281 in words is "two million, nine hundred twenty-two thousand, two hundred eighty-one".

Divisors: 1 661 4421 2922281