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22004440024 = 237392936429
BaseRepresentation
bin10100011111100100…
…010001101111011000
32002210112020101001011
4110133210101233120
5330031114040044
614035251303304
71406201440240
oct243744215730
962715211034
1022004440024
119371a29526
1243212aab34
1320c8a47c18
1410ca5b8b20
1588bc09134
hex51f911bd8

22004440024 has 16 divisors (see below), whose sum is σ = 47152371600. Its totient is φ = 9430474272.

The previous prime is 22004440001. The next prime is 22004440027. The reversal of 22004440024 is 42004440022.

It is a junction number, because it is equal to n+sod(n) for n = 22004439977 and 22004440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004440027) 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, 196468159 + ... + 196468270.

It is an arithmetic number, because the mean of its divisors is an integer number (2947023225).

Almost surely, 222004440024 is an apocalyptic number.

It is an amenable number.

22004440024 is an abundant number, since it is smaller than the sum of its proper divisors (25147931576).

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

22004440024 is a wasteful number, since it uses less digits than its factorization.

22004440024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392936442 (or 392936438 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22004440024 its reverse (42004440022), we get a palindrome (64008880046).

The spelling of 22004440024 in words is "twenty-two billion, four million, four hundred forty thousand, twenty-four".

Divisors: 1 2 4 7 8 14 28 56 392936429 785872858 1571745716 2750555003 3143491432 5501110006 11002220012 22004440024