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22231112032 = 251953689893
BaseRepresentation
bin10100101101000100…
…111101100101100000
32010101022202111120201
4110231010331211200
5331012131041112
614113545514544
71414623222463
oct245504754540
963338674521
1022231112032
119478979568
1243851a2a54
1321339b047c
14110c7412da
158a1a81257
hex52d13d960

22231112032 has 48 divisors (see below), whose sum is σ = 46940387760. Its totient is φ = 10331822592.

The previous prime is 22231112023. The next prime is 22231112039. The reversal of 22231112032 is 23021113222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231112039) 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, 312723 + ... + 377170.

It is an arithmetic number, because the mean of its divisors is an integer number (977924745).

Almost surely, 222231112032 is an apocalyptic number.

It is an amenable number.

22231112032 is an abundant number, since it is smaller than the sum of its proper divisors (24709275728).

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

22231112032 is a wasteful number, since it uses less digits than its factorization.

22231112032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689975 (or 689967 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22231112032 its reverse (23021113222), we get a palindrome (45252225254).

The spelling of 22231112032 in words is "twenty-two billion, two hundred thirty-one million, one hundred twelve thousand, thirty-two".

Divisors: 1 2 4 8 16 19 32 38 53 76 106 152 212 304 424 608 848 1007 1696 2014 4028 8056 16112 32224 689893 1379786 2759572 5519144 11038288 13107967 22076576 26215934 36564329 52431868 73128658 104863736 146257316 209727472 292514632 419454944 585029264 694722251 1170058528 1389444502 2778889004 5557778008 11115556016 22231112032