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2022111212 = 221145957073
BaseRepresentation
bin111100010000110…
…1111011111101100
312012220221220002212
41320201233133230
513120130024322
6532352505552
7101052442652
oct17041573754
95186856085
102022111212
1194847a0a0
1248524b2b8
13262c19714
141527b2dd2
15bc7ce0e2
hex7886f7ec

2022111212 has 12 divisors (see below), whose sum is σ = 3860394216. Its totient is φ = 919141440.

The previous prime is 2022111199. The next prime is 2022111229. The reversal of 2022111212 is 2121112202.

It is a super-2 number, since 2×20221112122 = 8177867507392217888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22978493 + ... + 22978580.

It is an arithmetic number, because the mean of its divisors is an integer number (321699518).

Almost surely, 22022111212 is an apocalyptic number.

2022111212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2022111212 is a deficient number, since it is larger than the sum of its proper divisors (1838283004).

2022111212 is a wasteful number, since it uses less digits than its factorization.

2022111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45957088 (or 45957086 counting only the distinct ones).

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

The square root of 2022111212 is about 44967.8909000633. The cubic root of 2022111212 is about 1264.5471071658.

Adding to 2022111212 its reverse (2121112202), we get a palindrome (4143223414).

The spelling of 2022111212 in words is "two billion, twenty-two million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 45957073 91914146 183828292 505527803 1011055606 2022111212