Search a number
-
+
22169368 = 2313593613
BaseRepresentation
bin101010010010…
…0011100011000
31112201022122201
41110210130120
521133404433
62111055544
7356302504
oct124443430
945638581
1022169368
11115721a1
1275115b4
134792990
142d31304
151e2da7d
hex1524718

22169368 has 32 divisors (see below), whose sum is σ = 45536400. Its totient is φ = 10055808.

The previous prime is 22169359. The next prime is 22169393. The reversal of 22169368 is 86396122.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4330 + ... + 7942.

Almost surely, 222169368 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 22169368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22768200).

22169368 is an abundant number, since it is smaller than the sum of its proper divisors (23367032).

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

22169368 is a wasteful number, since it uses less digits than its factorization.

22169368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691 (or 3687 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 22169368 is about 4708.4358336925. The cubic root of 22169368 is about 280.9211499317.

The spelling of 22169368 in words is "twenty-two million, one hundred sixty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 59 104 118 236 472 767 1534 3068 3613 6136 7226 14452 28904 46969 93938 187876 213167 375752 426334 852668 1705336 2771171 5542342 11084684 22169368