Search a number
-
+
22223031100 = 2252222230311
BaseRepresentation
bin10100101100100110…
…001000101100111100
32010100202112221121221
4110230212020230330
5331003043443400
614113100403124
71414464435064
oct245446105474
963322487557
1022223031100
11947435a206
1243825464a4
13213211125a
14110b63a3a4
158a0ed6c1a
hex52c988b3c

22223031100 has 18 divisors (see below), whose sum is σ = 48223977704. Its totient is φ = 8889212400.

The previous prime is 22223031097. The next prime is 22223031107. The reversal of 22223031100 is 113032222.

It is a super-2 number, since 2×222230311002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223031107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111115056 + ... + 111115255.

Almost surely, 222223031100 is an apocalyptic number.

22223031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223031100 is an abundant number, since it is smaller than the sum of its proper divisors (26000946604).

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

22223031100 is a wasteful number, since it uses less digits than its factorization.

22223031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222230325 (or 222230318 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22223031100 its reverse (113032222), we get a palindrome (22336063322).

The spelling of 22223031100 in words is "twenty-two billion, two hundred twenty-three million, thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 222230311 444460622 888921244 1111151555 2222303110 4444606220 5555757775 11111515550 22223031100