Search a number
-
+
222641090 = 2577144797
BaseRepresentation
bin11010100010100…
…11101111000010
3120111221100011022
431101103233002
5423444003330
634031545442
75342263250
oct1521235702
9514840138
10222641090
11104747601
126268b282
13371838b9
14217d75d0
151482cae5
hexd453bc2

222641090 has 32 divisors (see below), whose sum is σ = 464465664. Its totient is φ = 75257280.

The previous prime is 222641071. The next prime is 222641117. The reversal of 222641090 is 90146222.

222641090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17429 + ... + 27368.

It is an arithmetic number, because the mean of its divisors is an integer number (14514552).

Almost surely, 2222641090 is an apocalyptic number.

222641090 is an abundant number, since it is smaller than the sum of its proper divisors (241824574).

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

222641090 is a wasteful number, since it uses less digits than its factorization.

222641090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44882.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 222641090 is about 14921.1624882246. The cubic root of 222641090 is about 606.0871920491.

The spelling of 222641090 in words is "two hundred twenty-two million, six hundred forty-one thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 71 142 355 497 710 994 2485 4970 44797 89594 223985 313579 447970 627158 1567895 3135790 3180587 6361174 15902935 22264109 31805870 44528218 111320545 222641090