Search a number
-
+
22268620 = 22511101221
BaseRepresentation
bin101010011110…
…0101011001100
31112220100210201
41110330223030
521200043440
62113143244
7360165043
oct124745314
945810721
1022268620
111162a820
12755ab24
1347c8bca
142d5955a
151e4d19a
hex153cacc

22268620 has 24 divisors (see below), whose sum is σ = 51015888. Its totient is φ = 8097600.

The previous prime is 22268579. The next prime is 22268671. The reversal of 22268620 is 2686222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50391 + ... + 50830.

It is an arithmetic number, because the mean of its divisors is an integer number (2125662).

Almost surely, 222268620 is an apocalyptic number.

22268620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22268620 is an abundant number, since it is smaller than the sum of its proper divisors (28747268).

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

22268620 is a wasteful number, since it uses less digits than its factorization.

22268620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101241 (or 101239 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 22268620 is about 4718.9638693256. The cubic root of 22268620 is about 281.3397527542.

It can be divided in two parts, 2 and 2268620, that added together give a palindrome (2268622).

The spelling of 22268620 in words is "twenty-two million, two hundred sixty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 101221 202442 404884 506105 1012210 1113431 2024420 2226862 4453724 5567155 11134310 22268620