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2214221144 = 231567176629
BaseRepresentation
bin1000001111111010…
…0101010101011000
312201022110002101112
42003332211111120
514013320034034
61003414235452
7105604366142
oct20376452530
95638402345
102214221144
11a36963133
12519655b88
13293970635
141700ddc92
15ce5ca7ce
hex83fa5558

2214221144 has 16 divisors (see below), whose sum is σ = 4154337600. Its totient is φ = 1106397792.

The previous prime is 2214221143. The next prime is 2214221147. The reversal of 2214221144 is 4411224122.

2214221144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214221143) 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, 75779 + ... + 100850.

It is an arithmetic number, because the mean of its divisors is an integer number (259646100).

Almost surely, 22214221144 is an apocalyptic number.

It is an amenable number.

2214221144 is a deficient number, since it is larger than the sum of its proper divisors (1940116456).

2214221144 is a wasteful number, since it uses less digits than its factorization.

2214221144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178202 (or 178198 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 2214221144 is about 47055.5113031407. The cubic root of 2214221144 is about 1303.3878388664.

Adding to 2214221144 its reverse (4411224122), we get a palindrome (6625445266).

The spelling of 2214221144 in words is "two billion, two hundred fourteen million, two hundred twenty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 1567 3134 6268 12536 176629 353258 706516 1413032 276777643 553555286 1107110572 2214221144