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2022121112 = 231122978649
BaseRepresentation
bin111100010000111…
…0001111010011000
312012220222101200112
41320201301322120
513120130333422
6532353023452
7101052513554
oct17041617230
95186871615
102022121112
11948486580
12485254b88
13262c2108b
141527b6864
15bc7d1ee2
hex78871e98

2022121112 has 16 divisors (see below), whose sum is σ = 4136157000. Its totient is φ = 919145920.

The previous prime is 2022121093. The next prime is 2022121121. The reversal of 2022121112 is 2111212202.

It is a super-2 number, since 2×20221211122 = 8177947583192233088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11489237 + ... + 11489412.

Almost surely, 22022121112 is an apocalyptic number.

2022121112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2022121112 is an abundant number, since it is smaller than the sum of its proper divisors (2114035888).

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

2022121112 is a wasteful number, since it uses less digits than its factorization.

2022121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22978666 (or 22978662 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2022121112 is about 44968.0009784736. Note that the first 3 decimals coincide. The cubic root of 2022121112 is about 1264.5491708498.

Adding to 2022121112 its reverse (2111212202), we get a palindrome (4133333314).

The spelling of 2022121112 in words is "two billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 22978649 45957298 91914596 183829192 252765139 505530278 1011060556 2022121112