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222140444 = 2273975149
BaseRepresentation
bin11010011110110…
…01100000011100
3120110222220101212
431033121200130
5423331443234
634013123552
75335106531
oct1517314034
9513886355
10222140444
11104435449
12624895b8
1337039a66
1421706d88
151477e5ce
hexd3d981c

222140444 has 12 divisors (see below), whose sum is σ = 389277000. Its totient is φ = 110918448.

The previous prime is 222140441. The next prime is 222140447. The reversal of 222140444 is 444041222.

222140444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222140441) and next prime (222140447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222140441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34619 + ... + 40530.

It is an arithmetic number, because the mean of its divisors is an integer number (32439750).

Almost surely, 2222140444 is an apocalyptic number.

It is an amenable number.

222140444 is a deficient number, since it is larger than the sum of its proper divisors (167136556).

222140444 is a wasteful number, since it uses less digits than its factorization.

222140444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75892 (or 75890 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 222140444 is about 14904.3766726422. The cubic root of 222140444 is about 605.6325547155.

Adding to 222140444 its reverse (444041222), we get a palindrome (666181666).

The spelling of 222140444 in words is "two hundred twenty-two million, one hundred forty thousand, four hundred forty-four".

Divisors: 1 2 4 739 1478 2956 75149 150298 300596 55535111 111070222 222140444