Search a number
-
+
2194222908 = 2232371111973
BaseRepresentation
bin1000001011001001…
…0010111100111100
312122220211001222010
42002302102330330
513443210113113
61001421451220
7105242405223
oct20262227474
95586731863
102194222908
11a26644169
12512a10b10
1328c78ac67
1416b5b5cba
15cc97a1c3
hex82c92f3c

2194222908 has 48 divisors (see below), whose sum is σ = 5417750016. Its totient is φ = 689747520.

The previous prime is 2194222907. The next prime is 2194222957. The reversal of 2194222908 is 8092224912.

It is a super-2 number, since 2×21942229082 = 9629228339983952928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194222907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36391 + ... + 75582.

It is an arithmetic number, because the mean of its divisors is an integer number (112869792).

Almost surely, 22194222908 is an apocalyptic number.

It is an amenable number.

2194222908 is an abundant number, since it is smaller than the sum of its proper divisors (3223527108).

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

2194222908 is a wasteful number, since it uses less digits than its factorization.

2194222908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112074 (or 112072 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2194222908 is about 46842.5331082767. The cubic root of 2194222908 is about 1299.4520191441.

It can be divided in two parts, 21942 and 22908, that added together give a triangular number (44850 = T299).

The spelling of 2194222908 in words is "two billion, one hundred ninety-four million, two hundred twenty-two thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 23 46 69 71 92 138 142 213 276 284 426 852 1633 3266 4899 6532 9798 19596 111973 223946 335919 447892 671838 1343676 2575379 5150758 7726137 7950083 10301516 15452274 15900166 23850249 30904548 31800332 47700498 95400996 182851909 365703818 548555727 731407636 1097111454 2194222908