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22323320404 = 227112379113353
BaseRepresentation
bin10100110010100100…
…101101011001010100
32010121202021011200121
4110302210231121110
5331204232223104
614131042121324
71420123043530
oct246244553124
963552234617
1022323320404
119515a29030
1243b0050244
132149b26638
14111aaa4bc0
158a9be7254
hex53292d654

22323320404 has 192 divisors, whose sum is σ = 52068925440. Its totient is φ = 8118190080.

The previous prime is 22323320351. The next prime is 22323320407. The reversal of 22323320404 is 40402332322.

It is a super-3 number, since 3×223233204043 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323320407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63238692 + ... + 63239044.

It is an arithmetic number, because the mean of its divisors is an integer number (271192320).

Almost surely, 222323320404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22323320404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26034462720).

22323320404 is an abundant number, since it is smaller than the sum of its proper divisors (29745605036).

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

22323320404 is a wasteful number, since it uses less digits than its factorization.

22323320404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 22323320404 its reverse (40402332322), we get a palindrome (62725652726).

The spelling of 22323320404 in words is "twenty-two billion, three hundred twenty-three million, three hundred twenty thousand, four hundred four".