Search a number
-
+
22045268 = 227787331
BaseRepresentation
bin101010000011…
…0001001010100
31112111000102102
41110012021110
521120422033
62104301232
7355244630
oct124061124
945430372
1022045268
1111497a33
127471818
13474b34b
142cdbdc0
151e06de8
hex1506254

22045268 has 12 divisors (see below), whose sum is σ = 44090592. Its totient is φ = 9447960.

The previous prime is 22045241. The next prime is 22045271. The reversal of 22045268 is 86254022.

22045268 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22045268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393638 + ... + 393693.

It is an arithmetic number, because the mean of its divisors is an integer number (3674216).

Almost surely, 222045268 is an apocalyptic number.

22045268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22045268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22045268 is a wasteful number, since it uses less digits than its factorization.

22045268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787342 (or 787340 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 22045268 is about 4695.2388650632. The cubic root of 22045268 is about 280.3959873337.

The spelling of 22045268 in words is "twenty-two million, forty-five thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 787331 1574662 3149324 5511317 11022634 22045268