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22160412 = 2233316619
BaseRepresentation
bin101010010001…
…0010000011100
31112200212101000
41110202100130
521133113122
62110550300
7356234421
oct124422034
945625330
1022160412
111156649a
127508390
13478b891
142d2bd48
151e2b0ac
hex152241c

22160412 has 48 divisors (see below), whose sum is σ = 59315200. Its totient is φ = 7147440.

The previous prime is 22160407. The next prime is 22160423. The reversal of 22160412 is 21406122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39 + ... + 6657.

Almost surely, 222160412 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 22160412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29657600).

22160412 is an abundant number, since it is smaller than the sum of its proper divisors (37154788).

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

22160412 is a wasteful number, since it uses less digits than its factorization.

22160412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663 (or 6655 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 22160412 is about 4707.4846786793. The cubic root of 22160412 is about 280.8833159154.

Adding to 22160412 its reverse (21406122), we get a palindrome (43566534).

The spelling of 22160412 in words is "twenty-two million, one hundred sixty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 186 279 372 558 837 1116 1674 3348 6619 13238 19857 26476 39714 59571 79428 119142 178713 205189 238284 357426 410378 615567 714852 820756 1231134 1846701 2462268 3693402 5540103 7386804 11080206 22160412