Search a number
-
+
22401201444 = 22317109809811
BaseRepresentation
bin10100110111001101…
…110011010100100100
32010211011210221101120
4110313031303110210
5331334201421234
614142503253540
71422060033126
oct246715632444
963734727346
1022401201444
119555992226
12441214a2b0
13215ccc43ab
141127179216
158b197d049
hex537373524

22401201444 has 24 divisors (see below), whose sum is σ = 55344145248. Its totient is φ = 7027827840.

The previous prime is 22401201337. The next prime is 22401201499. The reversal of 22401201444 is 44410210422.

It is a super-2 number, since 2×224012014442 (a number of 22 digits) contains 22 as substring.

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, 54904702 + ... + 54905109.

It is an arithmetic number, because the mean of its divisors is an integer number (2306006052).

Almost surely, 222401201444 is an apocalyptic number.

It is an amenable number.

22401201444 is an abundant number, since it is smaller than the sum of its proper divisors (32942943804).

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

22401201444 is a wasteful number, since it uses less digits than its factorization.

22401201444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109809835 (or 109809833 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22401201444 its reverse (44410210422), we get a palindrome (66811411866).

The spelling of 22401201444 in words is "twenty-two billion, four hundred one million, two hundred one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 109809811 219619622 329429433 439239244 658858866 1317717732 1866766787 3733533574 5600300361 7467067148 11200600722 22401201444