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22220182000 = 245311110091
BaseRepresentation
bin10100101100011011…
…010001000111110000
32010100120012012101201
4110230123101013300
5331001331311000
614112515340544
71414431300502
oct245433210760
963316165351
1022220182000
119472793685
1243815b1754
1321316544b3
14110b0d7d72
158a0b2296a
hex52c6d11f0

22220182000 has 40 divisors (see below), whose sum is σ = 53728404912. Its totient is φ = 8888072000.

The previous prime is 22220181989. The next prime is 22220182007. The reversal of 22220182000 is 28102222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×222201820002 (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 (22220182007) 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, 5553046 + ... + 5557045.

Almost surely, 222220182000 is an apocalyptic number.

22220182000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220182000 is an abundant number, since it is smaller than the sum of its proper divisors (31508222912).

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

22220182000 is a wasteful number, since it uses less digits than its factorization.

22220182000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110114 (or 11110098 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22220182000 its reverse (28102222), we get a palindrome (22248284222).

The spelling of 22220182000 in words is "twenty-two billion, two hundred twenty million, one hundred eighty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 11110091 22220182 44440364 55550455 88880728 111100910 177761456 222201820 277752275 444403640 555504550 888807280 1111009100 1388761375 2222018200 2777522750 4444036400 5555045500 11110091000 22220182000