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22144414 = 211072207
BaseRepresentation
bin101010001111…
…0010110011110
31112200001102111
41110132112132
521132110124
62110344234
7356136655
oct124362636
945601374
1022144414
1111555476
1274bb07a
134784506
142d2619c
151e26494
hex151e59e

22144414 has 4 divisors (see below), whose sum is σ = 33216624. Its totient is φ = 11072206.

The previous prime is 22144393. The next prime is 22144427. The reversal of 22144414 is 41444122.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5536102 + ... + 5536105.

It is an arithmetic number, because the mean of its divisors is an integer number (8304156).

Almost surely, 222144414 is an apocalyptic number.

22144414 is a deficient number, since it is larger than the sum of its proper divisors (11072210).

22144414 is a wasteful number, since it uses less digits than its factorization.

22144414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072209.

The product of its digits is 1024, while the sum is 22.

The square root of 22144414 is about 4705.7851629670. The cubic root of 22144414 is about 280.8157080711.

Adding to 22144414 its reverse (41444122), we get a palindrome (63588536).

The spelling of 22144414 in words is "twenty-two million, one hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 11072207 22144414