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22222422344 = 2319712059157
BaseRepresentation
bin10100101100100011…
…110100000101001000
32010100201102000120102
4110230203310011020
5331002420003334
614113035344532
71414456321223
oct245443640510
963321360512
1022222422344
119473a83901
1243822b2148
132131c5a145
14110b51c5ba
158a0e1667e
hex52c8f4148

22222422344 has 32 divisors (see below), whose sum is σ = 44477812800. Its totient is φ = 10378146240.

The previous prime is 22222422337. The next prime is 22222422349. The reversal of 22222422344 is 44322422222.

It is a super-2 number, since 2×222224223442 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22222422349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018787 + ... + 1040370.

It is an arithmetic number, because the mean of its divisors is an integer number (1389931650).

Almost surely, 222222422344 is an apocalyptic number.

It is an amenable number.

22222422344 is an abundant number, since it is smaller than the sum of its proper divisors (22255390456).

22222422344 is a wasteful number, since it uses less digits than its factorization.

22222422344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059253 (or 2059249 counting only the distinct ones).

The product of its digits is 24576, while the sum is 29.

Adding to 22222422344 its reverse (44322422222), we get a palindrome (66544844566).

The spelling of 22222422344 in words is "twenty-two billion, two hundred twenty-two million, four hundred twenty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 19 38 71 76 142 152 284 568 1349 2698 5396 10792 2059157 4118314 8236628 16473256 39123983 78247966 146200147 156495932 292400294 312991864 584800588 1169601176 2777802793 5555605586 11111211172 22222422344