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22117148 = 225529287
BaseRepresentation
bin101010001011…
…1101100011100
31112121200000122
41110113230130
521130222043
62110014112
7355664324
oct124275434
945550018
1022117148
1111536a39
1274a7338
134774c91
142d1a284
151e1d368
hex1517b1c

22117148 has 6 divisors (see below), whose sum is σ = 38705016. Its totient is φ = 11058572.

The previous prime is 22117103. The next prime is 22117171. The reversal of 22117148 is 84171122.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2764640 + ... + 2764647.

It is an arithmetic number, because the mean of its divisors is an integer number (6450836).

Almost surely, 222117148 is an apocalyptic number.

It is an amenable number.

22117148 is a deficient number, since it is larger than the sum of its proper divisors (16587868).

22117148 is a wasteful number, since it uses less digits than its factorization.

22117148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529291 (or 5529289 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 22117148 is about 4702.8871983070. The cubic root of 22117148 is about 280.7004063706.

The spelling of 22117148 in words is "twenty-two million, one hundred seventeen thousand, one hundred forty-eight".

Divisors: 1 2 4 5529287 11058574 22117148