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22440014 = 211220007
BaseRepresentation
bin101010110011…
…0100001001110
31120020001220122
41111212201032
521221040024
62120544542
7361510532
oct125464116
946201818
1022440014
1111737573
127622152
134858c1c
142da1bc2
151e83d5e
hex156684e

22440014 has 4 divisors (see below), whose sum is σ = 33660024. Its totient is φ = 11220006.

The previous prime is 22439999. The next prime is 22440031. The reversal of 22440014 is 41004422.

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

It is a junction number, because it is equal to n+sod(n) for n = 22439974 and 22440001.

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, 5610002 + ... + 5610005.

It is an arithmetic number, because the mean of its divisors is an integer number (8415006).

Almost surely, 222440014 is an apocalyptic number.

22440014 is a deficient number, since it is larger than the sum of its proper divisors (11220010).

22440014 is a wasteful number, since it uses less digits than its factorization.

22440014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220009.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22440014 is about 4737.0891906317. The cubic root of 22440014 is about 282.0597009895.

Adding to 22440014 its reverse (41004422), we get a palindrome (63444436).

The spelling of 22440014 in words is "twenty-two million, four hundred forty thousand, fourteen".

Divisors: 1 2 11220007 22440014