Search a number
-
+
22000213 = 232633637
BaseRepresentation
bin101001111101…
…1001001010101
31112101201121201
41103323021111
521113001323
62103312501
7354666364
oct123731125
945351551
1022000213
11114670a4
12744b731
1347339a1
142cc97db
151de88ad
hex14fb255

22000213 has 8 divisors (see below), whose sum is σ = 23050368. Its totient is φ = 20957904.

The previous prime is 22000211. The next prime is 22000243. The reversal of 22000213 is 31200022.

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

It is a cyclic number.

It is not a de Polignac number, because 22000213 - 21 = 22000211 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 22000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000211) 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, 4231 + ... + 7867.

It is an arithmetic number, because the mean of its divisors is an integer number (2881296).

Almost surely, 222000213 is an apocalyptic number.

22000213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22000213 is a deficient number, since it is larger than the sum of its proper divisors (1050155).

22000213 is a wasteful number, since it uses less digits than its factorization.

22000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22000213 is about 4690.4384656448. The cubic root of 22000213 is about 280.2048373571.

Adding to 22000213 its reverse (31200022), we get a palindrome (53200235).

The spelling of 22000213 in words is "twenty-two million, two hundred thirteen", and thus it is an aban number.

Divisors: 1 23 263 3637 6049 83651 956531 22000213