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22202230 = 2553163257
BaseRepresentation
bin101010010110…
…0011101110110
31112202222201211
41110230131312
521140432410
62111512034
7356500351
oct124543566
945688654
1022202230
1111594956
12752861a
1347a491b
142d3d298
151e3868a
hex152c776

22202230 has 32 divisors (see below), whose sum is σ = 41127264. Its totient is φ = 8626176.

The previous prime is 22202209. The next prime is 22202249. The reversal of 22202230 is 3220222.

22202230 is nontrivially palindromic in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 22202230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86262 + ... + 86518.

It is an arithmetic number, because the mean of its divisors is an integer number (1285227).

Almost surely, 222202230 is an apocalyptic number.

22202230 is a deficient number, since it is larger than the sum of its proper divisors (18925034).

22202230 is a wasteful number, since it uses less digits than its factorization.

22202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 22202230 is about 4711.9242353841. The cubic root of 22202230 is about 281.0598860049.

Adding to 22202230 its reverse (3220222), we get a palindrome (25422452).

The spelling of 22202230 in words is "twenty-two million, two hundred two thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 163 257 265 326 514 530 815 1285 1630 2570 8639 13621 17278 27242 41891 43195 68105 83782 86390 136210 209455 418910 2220223 4440446 11101115 22202230