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22430022 = 235716547
BaseRepresentation
bin101010110010…
…0000101000110
31120012120012120
41111210011012
521220230042
62120430410
7361436436
oct125440506
946176176
1022430022
111173000a
127618406
134854504
142d9c2c6
151e80dec
hex1564146

22430022 has 16 divisors (see below), whose sum is σ = 44945472. Its totient is φ = 7462440.

The previous prime is 22429999. The next prime is 22430041. The reversal of 22430022 is 22003422.

It is a junction number, because it is equal to n+sod(n) for n = 22429983 and 22430010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153 + ... + 6699.

It is an arithmetic number, because the mean of its divisors is an integer number (2809092).

Almost surely, 222430022 is an apocalyptic number.

22430022 is an abundant number, since it is smaller than the sum of its proper divisors (22515450).

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

22430022 is a wasteful number, since it uses less digits than its factorization.

22430022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7123.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22430022 is about 4736.0344171047. The cubic root of 22430022 is about 282.0178299677.

Adding to 22430022 its reverse (22003422), we get a palindrome (44433444).

The spelling of 22430022 in words is "twenty-two million, four hundred thirty thousand, twenty-two".

Divisors: 1 2 3 6 571 1142 1713 3426 6547 13094 19641 39282 3738337 7476674 11215011 22430022