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22211110231230 = 2355231415622067
BaseRepresentation
bin1010000110011011011010…
…10101011101110010111110
32220122100202110110021011210
411003031231111131302332
510402401323204344410
6115123350532025250
74451462005623444
oct503155525356276
986570673407153
1022211110231230
1170937517571a8
1225a87b3a62226
13c5166387829b
1456b048594b94
15287b6689d220
hex14336d55dcbe

22211110231230 has 32 divisors (see below), whose sum is σ = 53408589381504. Its totient is φ = 5911637747616.

The previous prime is 22211110231213. The next prime is 22211110231231. The reversal of 22211110231230 is 3213201111222.

It is a junction number, because it is equal to n+sod(n) for n = 22211110231197 and 22211110231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211110231231) 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, 707795344 + ... + 707826723.

It is an arithmetic number, because the mean of its divisors is an integer number (1669018418172).

Almost surely, 222211110231230 is an apocalyptic number.

22211110231230 is an abundant number, since it is smaller than the sum of its proper divisors (31197479150274).

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

22211110231230 is a wasteful number, since it uses less digits than its factorization.

22211110231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415622600.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22211110231230 its reverse (3213201111222), we get a palindrome (25424311342452).

The spelling of 22211110231230 in words is "twenty-two trillion, two hundred eleven billion, one hundred ten million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 523 1046 1569 2615 3138 5230 7845 15690 1415622067 2831244134 4246866201 7078110335 8493732402 14156220670 21234331005 42468662010 740370341041 1480740682082 2221111023123 3701851705205 4442222046246 7403703410410 11105555115615 22211110231230