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2234122420 = 225877127373
BaseRepresentation
bin1000010100101010…
…0000000010110100
312202200220011210211
42011022200002310
514033413404140
61005404555204
7106235504305
oct20512400264
95680804724
102234122420
11a47116272
12524252b04
13297b1ab3a
14172a007ac
15d120c2ea
hex852a00b4

2234122420 has 24 divisors (see below), whose sum is σ = 4697043624. Its totient is φ = 892622976.

The previous prime is 2234122399. The next prime is 2234122421. The reversal of 2234122420 is 242214322.

It can be written as a sum of positive squares in 4 ways, for example, as 289136016 + 1944986404 = 17004^2 + 44102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2234122391 and 2234122400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2234122421) 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, 46147 + ... + 81226.

It is an arithmetic number, because the mean of its divisors is an integer number (195710151).

Almost surely, 22234122420 is an apocalyptic number.

2234122420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2234122420 is an abundant number, since it is smaller than the sum of its proper divisors (2462921204).

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

2234122420 is a wasteful number, since it uses less digits than its factorization.

2234122420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128259 (or 128257 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2234122420 is about 47266.5042075252. The cubic root of 2234122420 is about 1307.2811196549.

Adding to 2234122420 its reverse (242214322), we get a palindrome (2476336742).

The spelling of 2234122420 in words is "two billion, two hundred thirty-four million, one hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 877 1754 3508 4385 8770 17540 127373 254746 509492 636865 1273730 2547460 111706121 223412242 446824484 558530605 1117061210 2234122420