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22220200220 = 2251139831947
BaseRepresentation
bin10100101100011011…
…010101100100011100
32010100120020010101112
4110230123111210130
5331001332401340
614112520001152
71414431404561
oct245433254434
963316203345
1022220200220
1194727a6339
1243816001b8
13213165c88a
14110b100868
158a0b28065
hex52c6d591c

22220200220 has 24 divisors (see below), whose sum is σ = 47075367024. Its totient is φ = 8809423616.

The previous prime is 22220200147. The next prime is 22220200231. The reversal of 22220200220 is 2200202222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22220200195 and 22220200204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4913714 + ... + 4918233.

It is an arithmetic number, because the mean of its divisors is an integer number (1961473626).

Almost surely, 222220200220 is an apocalyptic number.

22220200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220200220 is an abundant number, since it is smaller than the sum of its proper divisors (24855166804).

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

22220200220 is a wasteful number, since it uses less digits than its factorization.

22220200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832069 (or 9832067 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22220200220 its reverse (2200202222), we get a palindrome (24420402442).

The spelling of 22220200220 in words is "twenty-two billion, two hundred twenty million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 9831947 19663894 39327788 49159735 98319470 196638940 1111010011 2222020022 4444040044 5555050055 11110100110 22220200220