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22112431000 = 2353112010221
BaseRepresentation
bin10100100110000000…
…001110101110011000
32010002001102212210221
4110212000032232120
5330241240243000
614054110045424
71411652363602
oct244600165630
963061385727
1022112431000
119417988770
1243514a9874
1321152289ca
1410daa8a172
1589643b61a
hex52600eb98

22112431000 has 64 divisors (see below), whose sum is σ = 56447033760. Its totient is φ = 8040880000.

The previous prime is 22112430997. The next prime is 22112431001. The reversal of 22112431000 is 13421122.

It is a super-2 number, since 2×221124310002 (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 (22112431001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994111 + ... + 1016110.

Almost surely, 222112431000 is an apocalyptic number.

22112431000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112431000 is an abundant number, since it is smaller than the sum of its proper divisors (34334602760).

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

22112431000 is a wasteful number, since it uses less digits than its factorization.

22112431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010253 (or 2010239 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22112431000 its reverse (13421122), we get a palindrome (22125852122).

The spelling of 22112431000 in words is "twenty-two billion, one hundred twelve million, four hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 2010221 4020442 8040884 10051105 16081768 20102210 22112431 40204420 44224862 50255525 80408840 88449724 100511050 110562155 176899448 201022100 221124310 251277625 402044200 442248620 502555250 552810775 884497240 1005110500 1105621550 2010221000 2211243100 2764053875 4422486200 5528107750 11056215500 22112431000