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222140131 = 1731284047
BaseRepresentation
bin11010011110110…
…01011011100011
3120110222212222021
431033121123203
5423331441011
634013122311
75335105603
oct1517313343
9513885867
10222140131
11104435194
1262489397
1337039885
1421706c03
151477e471
hexd3d96e3

222140131 has 4 divisors (see below), whose sum is σ = 223424352. Its totient is φ = 220855912.

The previous prime is 222140129. The next prime is 222140143. The reversal of 222140131 is 131041222.

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

It is a cyclic number.

It is not a de Polignac number, because 222140131 - 21 = 222140129 is a prime.

It is a super-2 number, since 2×2221401312 = 98692475601394322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222140111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641851 + ... + 642196.

It is an arithmetic number, because the mean of its divisors is an integer number (55856088).

Almost surely, 2222140131 is an apocalyptic number.

222140131 is a deficient number, since it is larger than the sum of its proper divisors (1284221).

222140131 is a wasteful number, since it uses less digits than its factorization.

222140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284220.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 222140131 is about 14904.3661723671. The cubic root of 222140131 is about 605.6322702662.

Adding to 222140131 its reverse (131041222), we get a palindrome (353181353).

The spelling of 222140131 in words is "two hundred twenty-two million, one hundred forty thousand, one hundred thirty-one".

Divisors: 1 173 1284047 222140131