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22231403412 = 2231852616951
BaseRepresentation
bin10100101101000110…
…000100101110010100
32010101100022022021120
4110231012010232110
5331012214402122
614114000043540
71414625545131
oct245506045624
963340268246
1022231403412
119479058479
1243853035b0
132133a82c9a
14110c7b9588
158a1adc75c
hex52d184b94

22231403412 has 12 divisors (see below), whose sum is σ = 51873274656. Its totient is φ = 7410467800.

The previous prime is 22231403407. The next prime is 22231403423. The reversal of 22231403412 is 21430413222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926308464 + ... + 926308487.

It is an arithmetic number, because the mean of its divisors is an integer number (4322772888).

Almost surely, 222231403412 is an apocalyptic number.

It is an amenable number.

22231403412 is an abundant number, since it is smaller than the sum of its proper divisors (29641871244).

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

22231403412 is a wasteful number, since it uses less digits than its factorization.

22231403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852616958 (or 1852616956 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22231403412 its reverse (21430413222), we get a palindrome (43661816634).

The spelling of 22231403412 in words is "twenty-two billion, two hundred thirty-one million, four hundred three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 1852616951 3705233902 5557850853 7410467804 11115701706 22231403412