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22012232233231 = 432339218859503
BaseRepresentation
bin1010000000101000111110…
…10010000111000100001111
32212221100102022102012002001
411000110133102013010033
510341122022422430411
6114452140242213131
74431221430550342
oct500243722070417
985840368365061
1022012232233231
117017376268789
1225761500541a7
13c3898ab41526
1456157d4dc459
152828c6ba8dc1
hex14051f48710f

22012232233231 has 8 divisors (see below), whose sum is σ = 22533774531840. Its totient is φ = 21491127658392.

The previous prime is 22012232233219. The next prime is 22012232233249. The reversal of 22012232233231 is 13233223221022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22012232233231 - 211 = 22012232231183 is a prime.

It is a super-2 number, since 2×220122322332312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22012232233231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012232233291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109329175 + ... + 109530328.

It is an arithmetic number, because the mean of its divisors is an integer number (2816721816480).

Almost surely, 222012232233231 is an apocalyptic number.

22012232233231 is a deficient number, since it is larger than the sum of its proper divisors (521542298609).

22012232233231 is a wasteful number, since it uses less digits than its factorization.

22012232233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218861885.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 22012232233231 its reverse (13233223221022), we get a palindrome (35245455454253).

The spelling of 22012232233231 in words is "twenty-two trillion, twelve billion, two hundred thirty-two million, two hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 43 2339 100577 218859503 9410958629 511912377517 22012232233231