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22146714 = 2321230373
BaseRepresentation
bin101010001111…
…0111010011010
31112200011120200
41110132322122
521132143324
62110403030
7356146452
oct124367232
945604520
1022146714
1111557177
127500476
134785585
142d26d62
151e26ec9
hex151ee9a

22146714 has 12 divisors (see below), whose sum is σ = 47984586. Its totient is φ = 7382232.

The previous prime is 22146713. The next prime is 22146737. The reversal of 22146714 is 41764122.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 216225 = 4683^2 + 465^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22146713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615169 + ... + 615204.

Almost surely, 222146714 is an apocalyptic number.

22146714 is an abundant number, since it is smaller than the sum of its proper divisors (25837872).

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

22146714 is a wasteful number, since it uses less digits than its factorization.

22146714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230381 (or 1230378 counting only the distinct ones).

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

The square root of 22146714 is about 4706.0295366689. The cubic root of 22146714 is about 280.8254299175.

The spelling of 22146714 in words is "twenty-two million, one hundred forty-six thousand, seven hundred fourteen".

Divisors: 1 2 3 6 9 18 1230373 2460746 3691119 7382238 11073357 22146714