Search a number
-
+
2222143457 = 17314216591
BaseRepresentation
bin1000010001110011…
…0011011111100001
312201212100120202112
42010130303133201
514022332042312
61004300125105
7106031623232
oct20434633741
95655316675
102222143457
11a403842a6
12520236795
132954b55b1
141711a3089
15d0142d22
hex847337e1

2222143457 has 8 divisors (see below), whose sum is σ = 2428756992. Its totient is φ = 2023963200.

The previous prime is 2222143453. The next prime is 2222143471. The reversal of 2222143457 is 7543412222.

2222143457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2222143457 - 22 = 2222143453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222143453) 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, 2107769 + ... + 2108822.

It is an arithmetic number, because the mean of its divisors is an integer number (303594624).

Almost surely, 22222143457 is an apocalyptic number.

It is an amenable number.

2222143457 is a deficient number, since it is larger than the sum of its proper divisors (206613535).

2222143457 is a wasteful number, since it uses less digits than its factorization.

2222143457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216639.

The product of its digits is 26880, while the sum is 32.

The square root of 2222143457 is about 47139.6166403589. The cubic root of 2222143457 is about 1304.9404624365.

Adding to 2222143457 its reverse (7543412222), we get a palindrome (9765555679).

The spelling of 2222143457 in words is "two billion, two hundred twenty-two million, one hundred forty-three thousand, four hundred fifty-seven".

Divisors: 1 17 31 527 4216591 71682047 130714321 2222143457