Search a number
-
+
2022551161 = 2387937007
BaseRepresentation
bin111100010001101…
…1010111001111001
312012221210020121021
41320203122321321
513120233114121
6532410142441
7101056254421
oct17043327171
95187706537
102022551161
1194874a694
12485421a21
13263041a47
14152889481
15bc869641
hex788dae79

2022551161 has 4 divisors (see below), whose sum is σ = 2110488192. Its totient is φ = 1934614132.

The previous prime is 2022551119. The next prime is 2022551173. The reversal of 2022551161 is 1611552202.

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 2022551161 - 217 = 2022420089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022551561) 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, 43968481 + ... + 43968526.

It is an arithmetic number, because the mean of its divisors is an integer number (527622048).

Almost surely, 22022551161 is an apocalyptic number.

It is an amenable number.

2022551161 is a deficient number, since it is larger than the sum of its proper divisors (87937031).

2022551161 is an equidigital number, since it uses as much as digits as its factorization.

2022551161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87937030.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 2022551161 is about 44972.7824467199. The cubic root of 2022551161 is about 1264.6388093250.

The spelling of 2022551161 in words is "two billion, twenty-two million, five hundred fifty-one thousand, one hundred sixty-one".

Divisors: 1 23 87937007 2022551161