Search a number
-
+
22235005 = 513342077
BaseRepresentation
bin101010011010…
…0011101111101
31112211122200201
41110310131331
521143010010
62112323501
7356665042
oct124643575
945748621
1022235005
1111607541
127543591
1347b6810
142d4b1c9
151e4323a
hex153477d

22235005 has 8 divisors (see below), whose sum is σ = 28734552. Its totient is φ = 16419648.

The previous prime is 22234987. The next prime is 22235009. The reversal of 22235005 is 50053222.

It can be written as a sum of positive squares in 4 ways, for example, as 1340964 + 20894041 = 1158^2 + 4571^2 .

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-22235005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22235009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170974 + ... + 171103.

It is an arithmetic number, because the mean of its divisors is an integer number (3591819).

Almost surely, 222235005 is an apocalyptic number.

It is an amenable number.

22235005 is a deficient number, since it is larger than the sum of its proper divisors (6499547).

22235005 is a wasteful number, since it uses less digits than its factorization.

22235005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342095.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 22235005 is about 4715.4008313186. The cubic root of 22235005 is about 281.1981184960.

Adding to 22235005 its reverse (50053222), we get a palindrome (72288227).

The spelling of 22235005 in words is "twenty-two million, two hundred thirty-five thousand, five".

Divisors: 1 5 13 65 342077 1710385 4447001 22235005