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22044131 = 315313417
BaseRepresentation
bin101010000010…
…1110111100011
31112110221212022
41110011313203
521120403011
62104252055
7355241414
oct124056743
945427768
1022044131
111149709a
12747102b
13474a985
142cdb80b
151e068db
hex1505de3

22044131 has 8 divisors (see below), whose sum is σ = 23186304. Its totient is φ = 20928960.

The previous prime is 22044109. The next prime is 22044133. The reversal of 22044131 is 13144022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22044131 - 210 = 22043107 is a prime.

It is a super-2 number, since 2×220441312 = 971887423090322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22044133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5066 + ... + 8351.

It is an arithmetic number, because the mean of its divisors is an integer number (2898288).

Almost surely, 222044131 is an apocalyptic number.

22044131 is a deficient number, since it is larger than the sum of its proper divisors (1142173).

22044131 is a wasteful number, since it uses less digits than its factorization.

22044131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13501.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22044131 is about 4695.1177834001. The cubic root of 22044131 is about 280.3911667116.

Adding to 22044131 its reverse (13144022), we get a palindrome (35188153).

The spelling of 22044131 in words is "twenty-two million, forty-four thousand, one hundred thirty-one".

Divisors: 1 31 53 1643 13417 415927 711101 22044131