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22100230422 = 2321227790579
BaseRepresentation
bin10100100101010001…
…101100000100010110
32010001012111000202200
4110211101230010112
5330230124333142
614052552345330
71411443600444
oct244521540426
963035430680
1022100230422
119411005246
1243493a5246
13211284662a
1410d91d1b94
1589532b64c
hex52546c116

22100230422 has 12 divisors (see below), whose sum is σ = 47883832620. Its totient is φ = 7366743468.

The previous prime is 22100230393. The next prime is 22100230457. The reversal of 22100230422 is 22403200122.

22100230422 is a `hidden beast` number, since 2 + 2 + 10 + 0 + 230 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1227790579 = 22100230422 / (2 + 2 + 1 + 0 + 0 + 2 + 3 + 0 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22100230395 and 22100230404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613895272 + ... + 613895307.

It is an arithmetic number, because the mean of its divisors is an integer number (3990319385).

Almost surely, 222100230422 is an apocalyptic number.

22100230422 is an abundant number, since it is smaller than the sum of its proper divisors (25783602198).

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

22100230422 is a wasteful number, since it uses less digits than its factorization.

22100230422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227790587 (or 1227790584 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22100230422 its reverse (22403200122), we get a palindrome (44503430544).

The spelling of 22100230422 in words is "twenty-two billion, one hundred million, two hundred thirty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 1227790579 2455581158 3683371737 7366743474 11050115211 22100230422