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22212100330 = 25736475831
BaseRepresentation
bin10100101011111100…
…011100000011101010
32010022222222121102121
4110223330130003222
5330442244202310
614112030221454
71414302511000
oct245374340352
963288877377
1022212100330
119469173812
12437a95488a
13212ca84b44
141109dd2a70
158a00780da
hex52bf1c0ea

22212100330 has 32 divisors (see below), whose sum is σ = 46625990400. Its totient is φ = 7615576080.

The previous prime is 22212100307. The next prime is 22212100357. The reversal of 22212100330 is 3300121222.

It is a super-2 number, since 2×222121003302 (a number of 21 digits) contains 22 as substring.

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, 3234486 + ... + 3241345.

It is an arithmetic number, because the mean of its divisors is an integer number (1457062200).

Almost surely, 222212100330 is an apocalyptic number.

22212100330 is an abundant number, since it is smaller than the sum of its proper divisors (24413890070).

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

22212100330 is an equidigital number, since it uses as much as digits as its factorization.

22212100330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475859 (or 6475845 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22212100330 its reverse (3300121222), we get a palindrome (25512221552).

The spelling of 22212100330 in words is "twenty-two billion, two hundred twelve million, one hundred thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 343 490 686 1715 3430 6475831 12951662 32379155 45330817 64758310 90661634 226654085 317315719 453308170 634631438 1586578595 2221210033 3173157190 4442420066 11106050165 22212100330