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22222144131 = 3116710050721
BaseRepresentation
bin10100101100100010…
…110000001010000011
32010100200212212221020
4110230202300022003
5331002332103011
614113025400523
71414454052135
oct245442601203
963320785836
1022222144131
119473903880
124382199143
132131b90615
14110b489055
158a0dae006
hex52c8b0283

22222144131 has 16 divisors (see below), whose sum is σ = 32805556608. Its totient is φ = 13266950400.

The previous prime is 22222144123. The next prime is 22222144141. The reversal of 22222144131 is 13144122222.

It is not a de Polignac number, because 22222144131 - 23 = 22222144123 is a prime.

It is a super-2 number, since 2×222221441312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22222144111) 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 15 ways as a sum of consecutive naturals, for example, 5023150 + ... + 5027571.

It is an arithmetic number, because the mean of its divisors is an integer number (2050347288).

Almost surely, 222222144131 is an apocalyptic number.

22222144131 is a deficient number, since it is larger than the sum of its proper divisors (10583412477).

22222144131 is a wasteful number, since it uses less digits than its factorization.

22222144131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050802.

The product of its digits is 1536, while the sum is 24.

Adding to 22222144131 its reverse (13144122222), we get a palindrome (35366266353).

The spelling of 22222144131 in words is "twenty-two billion, two hundred twenty-two million, one hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 3 11 33 67 201 737 2211 10050721 30152163 110557931 331673793 673398307 2020194921 7407381377 22222144131