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22030122 = 234778121
BaseRepresentation
bin101010000001…
…0011100101010
31112110020122110
41110002130222
521114430442
62104103150
7355152522
oct124023452
945406573
1022030122
1111487614
127464ab6
13474449a
142cd6682
151e0269c
hex150272a

22030122 has 16 divisors (see below), whose sum is σ = 44998272. Its totient is φ = 7187040.

The previous prime is 22030121. The next prime is 22030153. The reversal of 22030122 is 22103022.

It is a junction number, because it is equal to n+sod(n) for n = 22030098 and 22030107.

It is not an unprimeable number, because it can be changed into a prime (22030121) 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, 38779 + ... + 39342.

It is an arithmetic number, because the mean of its divisors is an integer number (2812392).

Almost surely, 222030122 is an apocalyptic number.

22030122 is an abundant number, since it is smaller than the sum of its proper divisors (22968150).

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

22030122 is a wasteful number, since it uses less digits than its factorization.

22030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78173.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22030122 is about 4693.6256774481. The cubic root of 22030122 is about 280.3317581215.

Adding to 22030122 its reverse (22103022), we get a palindrome (44133144).

Subtracting 22030122 from its reverse (22103022), we obtain a square (72900 = 2702).

The spelling of 22030122 in words is "twenty-two million, thirty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 47 94 141 282 78121 156242 234363 468726 3671687 7343374 11015061 22030122