Search a number
-
+
22085560 = 235778877
BaseRepresentation
bin101010000111…
…1111110111000
31112120001200201
41110033332320
521123214220
62105211544
7355503250
oct124177670
945501621
1022085560
1111515232
127490bb4
1347637a3
142d0c960
151e13d0a
hex150ffb8

22085560 has 32 divisors (see below), whose sum is σ = 56792160. Its totient is φ = 7572096.

The previous prime is 22085551. The next prime is 22085573. The reversal of 22085560 is 6558022.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 39159 + ... + 39718.

It is an arithmetic number, because the mean of its divisors is an integer number (1774755).

Almost surely, 222085560 is an apocalyptic number.

22085560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22085560 is an abundant number, since it is smaller than the sum of its proper divisors (34706600).

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

22085560 is a wasteful number, since it uses less digits than its factorization.

22085560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78895 (or 78891 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 22085560 is about 4699.5276358375. The cubic root of 22085560 is about 280.5667093708.

The spelling of 22085560 in words is "twenty-two million, eighty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 78877 157754 315508 394385 552139 631016 788770 1104278 1577540 2208556 2760695 3155080 4417112 5521390 11042780 22085560