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22220312302230 = 2357319463245471
BaseRepresentation
bin1010000110101100100011…
…10100100101001010010110
32220200020111202202220111020
411003112101310211022112
510403024144422132410
6115131512012222010
74452236024136000
oct503262164451226
986606452686436
1022220312302230
117097644015359
1225aa54176a906
13c5249c159403
1456b67c76b370
15288004692a70
hex143591d25296

22220312302230 has 256 divisors, whose sum is σ = 65605828608000. Its totient is φ = 4801204679040.

The previous prime is 22220312302229. The next prime is 22220312302247. The reversal of 22220312302230 is 3220321302222.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22220312302230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 90398395 + ... + 90643865.

It is an arithmetic number, because the mean of its divisors is an integer number (256272768000).

Almost surely, 222220312302230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220312302230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32802914304000).

22220312302230 is an abundant number, since it is smaller than the sum of its proper divisors (43385516305770).

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

22220312302230 is a wasteful number, since it uses less digits than its factorization.

22220312302230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245984 (or 245970 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22220312302230 its reverse (3220321302222), we get a palindrome (25440633604452).

The spelling of 22220312302230 in words is "twenty-two trillion, two hundred twenty billion, three hundred twelve million, three hundred two thousand, two hundred thirty".