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222443142140 = 22531913485477
BaseRepresentation
bin1100111100101010100…
…1001111101111111100
3210021011110000102201002
43033022221033233330
512121030421022030
6250104452305432
722033230340202
oct3171251175774
9707143012632
10222443142140
118637939a05a
123713b912278
1317c8cc0953b
14aaa2a57072
155bbd939245
hex33caa4fbfc

222443142140 has 24 divisors (see below), whose sum is σ = 467277122592. Its totient is φ = 88949347520.

The previous prime is 222443142139. The next prime is 222443142167. The reversal of 222443142140 is 41241344222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1678919 + ... + 1806558.

It is an arithmetic number, because the mean of its divisors is an integer number (19469880108).

Almost surely, 2222443142140 is an apocalyptic number.

222443142140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222443142140 is an abundant number, since it is smaller than the sum of its proper divisors (244833980452).

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

222443142140 is a wasteful number, since it uses less digits than its factorization.

222443142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488677 (or 3488675 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 222443142140 its reverse (41241344222), we get a palindrome (263684486362).

The spelling of 222443142140 in words is "two hundred twenty-two billion, four hundred forty-three million, one hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3191 6382 12764 15955 31910 63820 3485477 6970954 13941908 17427385 34854770 69709540 11122157107 22244314214 44488628428 55610785535 111221571070 222443142140