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2022022011221 = 31137347506567
BaseRepresentation
bin11101011011001001111…
…001110101100101010101
321011022012012010221011022
4131123021321311211111
5231112100113324341
64144523141050525
7266041406340302
oct35331171654525
97138165127138
102022022011221
1170a597790863
12287a6b0b6a45
131188a2b22044
146dc1b5200a9
15378e6507e4b
hex1d6c9e75955

2022022011221 has 8 divisors (see below), whose sum is σ = 2088768781824. Its totient is φ = 1955370256560.

The previous prime is 2022022011197. The next prime is 2022022011227. The reversal of 2022022011221 is 1221102202202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2022022011221 - 230 = 2020948269397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2022022011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022022011227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23710721 + ... + 23795846.

It is an arithmetic number, because the mean of its divisors is an integer number (261096097728).

Almost surely, 22022022011221 is an apocalyptic number.

It is an amenable number.

2022022011221 is a deficient number, since it is larger than the sum of its proper divisors (66746770603).

2022022011221 is a wasteful number, since it uses less digits than its factorization.

2022022011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47507971.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2022022011221 its reverse (1221102202202), we get a palindrome (3243124213423).

The spelling of 2022022011221 in words is "two trillion, twenty-two billion, twenty-two million, eleven thousand, two hundred twenty-one".

Divisors: 1 31 1373 42563 47506567 1472703577 65226516491 2022022011221