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22169022 = 2313212797
BaseRepresentation
bin101010010010…
…0010110111110
31112201022011220
41110210112332
521133402042
62111054210
7356301501
oct124442676
945638156
1022169022
1111571a07
127511366
134792785
142d31138
151e2d8ec
hex15245be

22169022 has 16 divisors (see below), whose sum is σ = 44387472. Its totient is φ = 7381440.

The previous prime is 22168997. The next prime is 22169023. The reversal of 22169022 is 22096122.

It is a junction number, because it is equal to n+sod(n) for n = 22168983 and 22169001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22169023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6528 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (2774217).

Almost surely, 222169022 is an apocalyptic number.

22169022 is an abundant number, since it is smaller than the sum of its proper divisors (22218450).

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

22169022 is a wasteful number, since it uses less digits than its factorization.

22169022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22169022 is about 4708.3990909862. The cubic root of 22169022 is about 280.9196884674.

Subtracting from 22169022 its reverse (22096122), we obtain a square (72900 = 2702).

The spelling of 22169022 in words is "twenty-two million, one hundred sixty-nine thousand, twenty-two".

Divisors: 1 2 3 6 1321 2642 2797 3963 5594 7926 8391 16782 3694837 7389674 11084511 22169022