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22020161622 = 2329829152657
BaseRepresentation
bin10100100000100000…
…010000000001010110
32002211121211010000120
4110200200100001112
5330044130132442
614041012252410
71406452166634
oct244040200126
962747733016
1022020161622
11937a897388
124326611106
1320cc090b44
1410cc70c354
1588d2b24ec
hex520810056

22020161622 has 32 divisors (see below), whose sum is σ = 45614210400. Its totient is φ = 7078353408.

The previous prime is 22020161609. The next prime is 22020161623. The reversal of 22020161622 is 22616102022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22020161592 and 22020161601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020161623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67918 + ... + 220574.

It is an arithmetic number, because the mean of its divisors is an integer number (1425444075).

Almost surely, 222020161622 is an apocalyptic number.

22020161622 is an abundant number, since it is smaller than the sum of its proper divisors (23594048778).

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

22020161622 is a wasteful number, since it uses less digits than its factorization.

22020161622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153520.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22020161622 its reverse (22616102022), we get a palindrome (44636263644).

The spelling of 22020161622 in words is "twenty-two billion, twenty million, one hundred sixty-one thousand, six hundred twenty-two".

Divisors: 1 2 3 6 29 58 87 174 829 1658 2487 4974 24041 48082 72123 144246 152657 305314 457971 915942 4427053 8854106 13281159 26562318 126552653 253105306 379657959 759315918 3670026937 7340053874 11010080811 22020161622