Search a number
-
+
22066008 = 233919417
BaseRepresentation
bin101010000101…
…1001101011000
31112112001212120
41110023031120
521122103013
62104541240
7355362246
oct124131530
945461776
1022066008
1111501578
127481820
134757913
142d05796
151e0d123
hex150b358

22066008 has 16 divisors (see below), whose sum is σ = 55165080. Its totient is φ = 7355328.

The previous prime is 22066007. The next prime is 22066021. The reversal of 22066008 is 80066022.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 919417 = 22066008 / (2 + 2 + 0 + 6 + 6 + 0 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459685 + ... + 459732.

Almost surely, 222066008 is an apocalyptic number.

It is an amenable number.

22066008 is an abundant number, since it is smaller than the sum of its proper divisors (33099072).

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

22066008 is a wasteful number, since it uses less digits than its factorization.

22066008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919426 (or 919422 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22066008 is about 4697.4469661722. The cubic root of 22066008 is about 280.4838911571.

The spelling of 22066008 in words is "twenty-two million, sixty-six thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 919417 1838834 2758251 3677668 5516502 7355336 11033004 22066008