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22622442040 = 23511132138921
BaseRepresentation
bin10101000100011001…
…110001001000111000
32011101121010010102201
4111010121301020320
5332312321121130
614220445235544
71430414404342
oct250431611070
964347103381
1022622442040
1196598625a0
124474262bb4
132196aa76a3
1411486ca292
158c60d0bca
hex544671238

22622442040 has 64 divisors (see below), whose sum is σ = 55571274720. Its totient is φ = 8219904000.

The previous prime is 22622442019. The next prime is 22622442041. The reversal of 22622442040 is 4024422622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22622442041) 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, 561780 + ... + 600700.

Almost surely, 222622442040 is an apocalyptic number.

22622442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22622442040 is an abundant number, since it is smaller than the sum of its proper divisors (32948832680).

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

22622442040 is a wasteful number, since it uses less digits than its factorization.

22622442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40264 (or 40260 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22622442040 its reverse (4024422622), we get a palindrome (26646864662).

The spelling of 22622442040 in words is "twenty-two billion, six hundred twenty-two million, four hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 1321 2642 5284 6605 10568 13210 14531 26420 29062 38921 52840 58124 72655 77842 116248 145310 155684 194605 290620 311368 389210 428131 581240 778420 856262 1556840 1712524 2140655 3425048 4281310 8562620 17125240 51414641 102829282 205658564 257073205 411317128 514146410 565561051 1028292820 1131122102 2056585640 2262244204 2827805255 4524488408 5655610510 11311221020 22622442040