Search a number
-
+
22065707 = 193137463
BaseRepresentation
bin101010000101…
…1001000101011
31112112001110102
41110023020223
521122100312
62104540015
7355361336
oct124131053
945461412
1022065707
1111501324
12748160b
134757741
142d0561d
151e0cec2
hex150b22b

22065707 has 8 divisors (see below), whose sum is σ = 23976960. Its totient is φ = 20229480.

The previous prime is 22065697. The next prime is 22065709. The reversal of 22065707 is 70756022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22065707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22065707.

It is not an unprimeable number, because it can be changed into a prime (22065709) 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 7 ways as a sum of consecutive naturals, for example, 18143 + ... + 19320.

It is an arithmetic number, because the mean of its divisors is an integer number (2997120).

Almost surely, 222065707 is an apocalyptic number.

22065707 is a deficient number, since it is larger than the sum of its proper divisors (1911253).

22065707 is a wasteful number, since it uses less digits than its factorization.

22065707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37513.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 22065707 is about 4697.4149273829. The cubic root of 22065707 is about 280.4826158013.

The spelling of 22065707 in words is "twenty-two million, sixty-five thousand, seven hundred seven".

Divisors: 1 19 31 589 37463 711797 1161353 22065707