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22084137 = 331943049
BaseRepresentation
bin101010000111…
…1101000101001
31112112222202000
41110033220221
521123143022
62105201213
7355466145
oct124175051
945488660
1022084137
1111514159
127490209
134762c4a
142d0c225
151e136ac
hex150fa29

22084137 has 16 divisors (see below), whose sum is σ = 34440000. Its totient is φ = 13947552.

The previous prime is 22084103. The next prime is 22084141. The reversal of 22084137 is 73148022.

It is not a de Polignac number, because 22084137 - 215 = 22051369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22084137.

It is not an unprimeable number, because it can be changed into a prime (22084187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21012 + ... + 22037.

It is an arithmetic number, because the mean of its divisors is an integer number (2152500).

Almost surely, 222084137 is an apocalyptic number.

22084137 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22084137 is a deficient number, since it is larger than the sum of its proper divisors (12355863).

22084137 is a wasteful number, since it uses less digits than its factorization.

22084137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43077 (or 43071 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 22084137 is about 4699.3762352040. The cubic root of 22084137 is about 280.5606834878.

The spelling of 22084137 in words is "twenty-two million, eighty-four thousand, one hundred thirty-seven".

Divisors: 1 3 9 19 27 57 171 513 43049 129147 387441 817931 1162323 2453793 7361379 22084137