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20222310442 = 213177184391
BaseRepresentation
bin10010110101010101…
…111111100000101010
31221012022211210211211
4102311111333200222
5312403402413232
613142350143334
71314061542205
oct226525774052
957168753754
1020222310442
118637a70164
123b044b1b4a
131ba3773b89
14d9ba3493c
157d5530a47
hex4b557f82a

20222310442 has 8 divisors (see below), whose sum is σ = 30565019232. Its totient is φ = 10033970700.

The previous prime is 20222310439. The next prime is 20222310473. The reversal of 20222310442 is 24401322202.

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

It is a super-2 number, since 2×202223104422 (a number of 21 digits) 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, 38591934 + ... + 38592457.

It is an arithmetic number, because the mean of its divisors is an integer number (3820627404).

Almost surely, 220222310442 is an apocalyptic number.

20222310442 is a deficient number, since it is larger than the sum of its proper divisors (10342708790).

20222310442 is a wasteful number, since it uses less digits than its factorization.

20222310442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77184524.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20222310442 its reverse (24401322202), we get a palindrome (44623632644).

The spelling of 20222310442 in words is "twenty billion, two hundred twenty-two million, three hundred ten thousand, four hundred forty-two".

Divisors: 1 2 131 262 77184391 154368782 10111155221 20222310442