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2210212122220 = 225110510606111
BaseRepresentation
bin100000001010011010111…
…010001000111001101100
321211021221111001002120101
4200022122322020321230
5242203003300402340
64411205112200444
7315453055030114
oct40123272107154
97737844032511
102210212122220
11782389139613
122b842b699124
131305644b07cb
1478d90d50044
153c75cc60c9a
hex2029ae88e6c

2210212122220 has 12 divisors (see below), whose sum is σ = 4641445456704. Its totient is φ = 884084848880.

The previous prime is 2210212122199. The next prime is 2210212122227. The reversal of 2210212122220 is 222212120122.

It is not an unprimeable number, because it can be changed into a prime (2210212122227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55255303036 + ... + 55255303075.

It is an arithmetic number, because the mean of its divisors is an integer number (386787121392).

Almost surely, 22210212122220 is an apocalyptic number.

2210212122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210212122220 is an abundant number, since it is smaller than the sum of its proper divisors (2431233334484).

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

2210212122220 is a wasteful number, since it uses less digits than its factorization.

2210212122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110510606120 (or 110510606118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2210212122220 its reverse (222212120122), we get a palindrome (2432424242342).

The spelling of 2210212122220 in words is "two trillion, two hundred ten billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 110510606111 221021212222 442042424444 552553030555 1105106061110 2210212122220