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11222238 = 231870373
BaseRepresentation
bin101010110011…
…110011011110
3210010011000110
4222303303132
510333102423
61040310450
7164246616
oct52636336
923104013
1011222238
116375485
123912426
13242bca1
1416c1a46
15eba193
hexab3cde

11222238 has 8 divisors (see below), whose sum is σ = 22444488. Its totient is φ = 3740744.

The previous prime is 11222219. The next prime is 11222243. The reversal of 11222238 is 83222211.

It is a happy number.

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

11222238 is an admirable number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935181 + ... + 935192.

It is an arithmetic number, because the mean of its divisors is an integer number (2805561).

Almost surely, 211222238 is an apocalyptic number.

11222238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11222238 is a wasteful number, since it uses less digits than its factorization.

11222238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870378.

The product of its digits is 384, while the sum is 21.

The square root of 11222238 is about 3349.9608952942. The cubic root of 11222238 is about 223.8857703082.

Adding to 11222238 its reverse (83222211), we get a palindrome (94444449).

The spelling of 11222238 in words is "eleven million, two hundred twenty-two thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 1870373 3740746 5611119 11222238