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22412402405 = 56829656389
BaseRepresentation
bin10100110111111000…
…100001111011100101
32010211221220000012222
4110313320201323211
5331400033334110
614143543322125
71422254164031
oct246770417345
963757800188
1022412402405
119561242718
124415a50345
132162416793
1411288531c1
158b2941c55
hex537e21ee5

22412402405 has 8 divisors (see below), whose sum is σ = 26898862200. Its totient is φ = 17927269056.

The previous prime is 22412402399. The next prime is 22412402443. The reversal of 22412402405 is 50420421422.

It can be written as a sum of positive squares in 4 ways, for example, as 9625768321 + 12786634084 = 98111^2 + 113078^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22412402405 - 214 = 22412386021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294050 + ... + 362339.

It is an arithmetic number, because the mean of its divisors is an integer number (3362357775).

Almost surely, 222412402405 is an apocalyptic number.

It is an amenable number.

22412402405 is a deficient number, since it is larger than the sum of its proper divisors (4486459795).

22412402405 is an equidigital number, since it uses as much as digits as its factorization.

22412402405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663223.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22412402405 its reverse (50420421422), we get a palindrome (72832823827).

The spelling of 22412402405 in words is "twenty-two billion, four hundred twelve million, four hundred two thousand, four hundred five".

Divisors: 1 5 6829 34145 656389 3281945 4482480481 22412402405