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22131124 = 2219291199
BaseRepresentation
bin101010001101…
…1000110110100
31112122101012021
41110123012310
521131143444
62110202524
7356053141
oct124330664
945571167
1022131124
1111546494
1274b3444
13477b452
142d213c8
151e22584
hex151b1b4

22131124 has 12 divisors (see below), whose sum is σ = 40768000. Its totient is φ = 10483128.

The previous prime is 22131113. The next prime is 22131133. The reversal of 22131124 is 42113122.

It is a junction number, because it is equal to n+sod(n) for n = 22131098 and 22131107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145524 + ... + 145675.

Almost surely, 222131124 is an apocalyptic number.

It is an amenable number.

22131124 is a deficient number, since it is larger than the sum of its proper divisors (18636876).

22131124 is a wasteful number, since it uses less digits than its factorization.

22131124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291222 (or 291220 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 22131124 is about 4704.3728593724. The cubic root of 22131124 is about 280.7595195201.

Adding to 22131124 its reverse (42113122), we get a palindrome (64244246).

The spelling of 22131124 in words is "twenty-two million, one hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 19 38 76 291199 582398 1164796 5532781 11065562 22131124