Search a number
-
+
20222213 = 111996757
BaseRepresentation
bin100110100100…
…1000100000101
31102001101122212
41031021010011
520134102323
62001233205
7333612614
oct115110405
942041585
1020222213
1110462280
126932805
13426060b
14298587b
151b96b78
hex1349105

20222213 has 8 divisors (see below), whose sum is σ = 23221920. Its totient is φ = 17416080.

The previous prime is 20222207. The next prime is 20222219. The reversal of 20222213 is 31222202.

It is an interprime number because it is at equal distance from previous prime (20222207) and next prime (20222219).

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

It is not a de Polignac number, because 20222213 - 222 = 16027909 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 (20222219) 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, 48170 + ... + 48587.

It is an arithmetic number, because the mean of its divisors is an integer number (2902740).

Almost surely, 220222213 is an apocalyptic number.

It is an amenable number.

20222213 is a deficient number, since it is larger than the sum of its proper divisors (2999707).

20222213 is a wasteful number, since it uses less digits than its factorization.

20222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96787.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20222213 is about 4496.9114956823. The cubic root of 20222213 is about 272.4433594367.

Adding to 20222213 its reverse (31222202), we get a palindrome (51444415).

The spelling of 20222213 in words is "twenty million, two hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 11 19 209 96757 1064327 1838383 20222213