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22390027 = 113176421
BaseRepresentation
bin101010101101…
…0010100001011
31120010112100021
41111122110023
521212440102
62115521311
7361212022
oct125322413
946115307
1022390027
1111702a60
1275b9237
13483c24a
142d8b8b9
151e74137
hex155a50b

22390027 has 8 divisors (see below), whose sum is σ = 24506352. Its totient is φ = 20287200.

The previous prime is 22390013. The next prime is 22390031. The reversal of 22390027 is 72009322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22390027 - 211 = 22387979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22389983 and 22390010.

It is not an unprimeable number, because it can be changed into a prime (22390007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 6697.

It is an arithmetic number, because the mean of its divisors is an integer number (3063294).

Almost surely, 222390027 is an apocalyptic number.

22390027 is a deficient number, since it is larger than the sum of its proper divisors (2116325).

22390027 is a wasteful number, since it uses less digits than its factorization.

22390027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6749.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 22390027 is about 4731.8101187601. The cubic root of 22390027 is about 281.8501081258.

Adding to 22390027 its reverse (72009322), we get a palindrome (94399349).

The spelling of 22390027 in words is "twenty-two million, three hundred ninety thousand, twenty-seven".

Divisors: 1 11 317 3487 6421 70631 2035457 22390027