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22211002105 = 58364782721
BaseRepresentation
bin10100101011111000…
…001111111011111001
32010022220220210221121
4110223320033323321
5330442004031410
614111550505241
71414260255115
oct245370177371
963286823847
1022211002105
119468593696
12437a505221
13212c78bcc6
141109bc8745
1589ee0c9da
hex52be0fef9

22211002105 has 16 divisors (see below), whose sum is σ = 27016343424. Its totient is φ = 17527375360.

The previous prime is 22211002081. The next prime is 22211002123. The reversal of 22211002105 is 50120011222.

It is a happy number.

It is not a de Polignac number, because 22211002105 - 221 = 22208904953 is a prime.

It is a super-2 number, since 2×222110021052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227145 + ... + 309865.

It is an arithmetic number, because the mean of its divisors is an integer number (1688521464).

Almost surely, 222211002105 is an apocalyptic number.

It is an amenable number.

22211002105 is a deficient number, since it is larger than the sum of its proper divisors (4805341319).

22211002105 is an equidigital number, since it uses as much as digits as its factorization.

22211002105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83456.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 22211002105 its reverse (50120011222), we get a palindrome (72331013327).

The spelling of 22211002105 in words is "twenty-two billion, two hundred eleven million, two thousand, one hundred five".

Divisors: 1 5 83 415 647 3235 53701 82721 268505 413605 6865843 34329215 53520487 267602435 4442200421 22211002105