Search a number
-
+
112022221 = 211530911
BaseRepresentation
bin1101010110101…
…01001011001101
321210210022121011
412223111023031
5212134202341
615041005221
72530113253
oct653251315
9253708534
10112022221
1158262a53
1231623811
131a29294c
1410c405d3
159c7bb81
hex6ad52cd

112022221 has 4 divisors (see below), whose sum is σ = 112553344. Its totient is φ = 111491100.

The previous prime is 112022203. The next prime is 112022263. The reversal of 112022221 is 122220211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112022221 - 27 = 112022093 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 (112022201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265245 + ... + 265666.

It is an arithmetic number, because the mean of its divisors is an integer number (28138336).

Almost surely, 2112022221 is an apocalyptic number.

It is an amenable number.

112022221 is a deficient number, since it is larger than the sum of its proper divisors (531123).

112022221 is an equidigital number, since it uses as much as digits as its factorization.

112022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531122.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 112022221 is about 10584.0550357602. The cubic root of 112022221 is about 482.0603291623.

Adding to 112022221 its reverse (122220211), we get a palindrome (234242432).

The spelling of 112022221 in words is "one hundred twelve million, twenty-two thousand, two hundred twenty-one".

Divisors: 1 211 530911 112022221