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22322221444 = 2210752154723
BaseRepresentation
bin10100110010100000…
…100001000110000100
32010121200012100012101
4110302200201012010
5331203442041234
614131002401444
71420110515545
oct246240410604
963550170171
1022322221444
1195153483a6
1243ab800284
132149830373
14111a89a4cc
158a9a7b814
hex532821184

22322221444 has 12 divisors (see below), whose sum is σ = 39428971344. Its totient is φ = 11056801064.

The previous prime is 22322221423. The next prime is 22322221469. The reversal of 22322221444 is 44412222322.

It is a happy number.

It is a super-3 number, since 3×223222214443 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26076934 + ... + 26077789.

It is an arithmetic number, because the mean of its divisors is an integer number (3285747612).

Almost surely, 222322221444 is an apocalyptic number.

It is an amenable number.

22322221444 is a deficient number, since it is larger than the sum of its proper divisors (17106749900).

22322221444 is a wasteful number, since it uses less digits than its factorization.

22322221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52154834 (or 52154832 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

Adding to 22322221444 its reverse (44412222322), we get a palindrome (66734443766).

The spelling of 22322221444 in words is "twenty-two billion, three hundred twenty-two million, two hundred twenty-one thousand, four hundred forty-four".

Divisors: 1 2 4 107 214 428 52154723 104309446 208618892 5580555361 11161110722 22322221444