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22442220130 = 25113737314783
BaseRepresentation
bin10100111001101010…
…010001101001100010
32010221000222220110011
4110321222101221202
5331430202021010
614150530355134
71423065503131
oct247152215142
963830886404
1022442220130
119577059170
124423a2baaa
1321686567c5
14112c7b5918
158b5381a8a
hex539a91a62

22442220130 has 64 divisors (see below), whose sum is σ = 45383804928. Its totient is φ = 7918421760.

The previous prime is 22442220091. The next prime is 22442220133. The reversal of 22442220130 is 3102224422.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22442220133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1510719 + ... + 1525501.

It is an arithmetic number, because the mean of its divisors is an integer number (709121952).

Almost surely, 222442220130 is an apocalyptic number.

22442220130 is an abundant number, since it is smaller than the sum of its proper divisors (22941584798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22442220130 is a wasteful number, since it uses less digits than its factorization.

22442220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15211.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22442220130 its reverse (3102224422), we get a palindrome (25544444552).

The spelling of 22442220130 in words is "twenty-two billion, four hundred forty-two million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 373 407 746 814 1865 2035 3730 4070 4103 8206 13801 14783 20515 27602 29566 41030 69005 73915 138010 147830 151811 162613 303622 325226 546971 759055 813065 1093942 1518110 1626130 2734855 5469710 5514059 6016681 11028118 12033362 27570295 30083405 55140590 60166810 60654649 121309298 204020183 303273245 408040366 606546490 1020100915 2040201830 2244222013 4488444026 11221110065 22442220130