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22220208824 = 2311252502373
BaseRepresentation
bin10100101100011011…
…010111101010111000
32010100120020120012012
4110230123113222320
5331001333140244
614112520105052
71414431441632
oct245433275270
963316216165
1022220208824
119472801850
124381605188
132131663778
14110b103a52
158a0b2a89e
hex52c6d7ab8

22220208824 has 16 divisors (see below), whose sum is σ = 45450427320. Its totient is φ = 10100094880.

The previous prime is 22220208809. The next prime is 22220208827. The reversal of 22220208824 is 42880202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220208827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126251099 + ... + 126251274.

Almost surely, 222220208824 is an apocalyptic number.

It is an amenable number.

22220208824 is an abundant number, since it is smaller than the sum of its proper divisors (23230218496).

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

22220208824 is a wasteful number, since it uses less digits than its factorization.

22220208824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252502390 (or 252502386 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 22220208824 in words is "twenty-two billion, two hundred twenty million, two hundred eight thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 252502373 505004746 1010009492 2020018984 2777526103 5555052206 11110104412 22220208824