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22110222102220 = 2257157930157873
BaseRepresentation
bin1010000011011111011111…
…11011110010111011001100
32220021201100101122021222001
411001233233323302323030
510344223213324232340
6115005143521202044
74441260625650520
oct501575773627314
986251311567861
1022110222102220
11705498aa6768a
122591138790324
13c44ca606a525
145661d75c7d80
1528520e6ce29a
hex141befef2ecc

22110222102220 has 24 divisors (see below), whose sum is σ = 53064533045664. Its totient is φ = 7580647577856.

The previous prime is 22110222102181. The next prime is 22110222102257. The reversal of 22110222102220 is 2220122201122.

It is a super-2 number, since 2×221102221022202 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78965078797 + ... + 78965079076.

It is an arithmetic number, because the mean of its divisors is an integer number (2211022210236).

Almost surely, 222110222102220 is an apocalyptic number.

22110222102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110222102220 is an abundant number, since it is smaller than the sum of its proper divisors (30954310943444).

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

22110222102220 is a wasteful number, since it uses less digits than its factorization.

22110222102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157930157889 (or 157930157887 counting only the distinct ones).

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

Adding to 22110222102220 its reverse (2220122201122), we get a palindrome (24330344303342).

The spelling of 22110222102220 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 157930157873 315860315746 631720631492 789650789365 1105511105111 1579301578730 2211022210222 3158603157460 4422044420444 5527555525555 11055111051110 22110222102220