Search a number
-
+
222065144 = 2375967211
BaseRepresentation
bin11010011110001…
…11000111111000
3120110212002002222
431033013013320
5423322041034
634011343212
75334344150
oct1517070770
9513762088
10222065144
11104393914
1262451b08
13370116c2
14216c7760
151476712e
hexd3c71f8

222065144 has 32 divisors (see below), whose sum is σ = 483926400. Its totient is φ = 93556320.

The previous prime is 222065131. The next prime is 222065159. The reversal of 222065144 is 441560222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30302 + ... + 36909.

It is an arithmetic number, because the mean of its divisors is an integer number (15122700).

Almost surely, 2222065144 is an apocalyptic number.

It is an amenable number.

222065144 is an abundant number, since it is smaller than the sum of its proper divisors (261861256).

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

222065144 is a wasteful number, since it uses less digits than its factorization.

222065144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67283 (or 67279 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 222065144 is about 14901.8503549056. The cubic root of 222065144 is about 605.5641156019.

The spelling of 222065144 in words is "two hundred twenty-two million, sixty-five thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 59 118 236 413 472 826 1652 3304 67211 134422 268844 470477 537688 940954 1881908 3763816 3965449 7930898 15861796 27758143 31723592 55516286 111032572 222065144