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22244130 = 2325439563
BaseRepresentation
bin101010011011…
…0101100100010
31112212010012200
41110312230202
521143303010
62112434030
7360033456
oct124665442
945763180
1022244130
1111613387
127548916
1347baa0c
142d50666
151e45cc0
hex1536b22

22244130 has 48 divisors (see below), whose sum is σ = 58069440. Its totient is φ = 5907744.

The previous prime is 22244129. The next prime is 22244147. The reversal of 22244130 is 3144222.

22244130 is a `hidden beast` number, since 222 + 441 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39229 + ... + 39791.

It is an arithmetic number, because the mean of its divisors is an integer number (1209780).

Almost surely, 222244130 is an apocalyptic number.

22244130 is an abundant number, since it is smaller than the sum of its proper divisors (35825310).

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

22244130 is a wasteful number, since it uses less digits than its factorization.

22244130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22244130 is about 4716.3683062289. The cubic root of 22244130 is about 281.2365801004.

Adding to 22244130 its reverse (3144222), we get a palindrome (25388352).

The spelling of 22244130 in words is "twenty-two million, two hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 439 563 878 1126 1317 1689 2195 2634 2815 3378 3951 4390 5067 5630 6585 7902 8445 10134 13170 16890 19755 25335 39510 50670 247157 494314 741471 1235785 1482942 2224413 2471570 3707355 4448826 7414710 11122065 22244130