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22023425 = 52911967
BaseRepresentation
bin101010000000…
…0110100000001
31112102220110102
41110000310001
521114222200
62104012145
7355124144
oct124006401
945386412
1022023425
1111482586
127461055
134741418
142cd405b
151e006d5
hex1500d01

22023425 has 12 divisors (see below), whose sum is σ = 27367296. Its totient is φ = 17581200.

The previous prime is 22023409. The next prime is 22023431. The reversal of 22023425 is 52432022.

It is not a de Polignac number, because 22023425 - 24 = 22023409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22023397 and 22023406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22292 + ... + 23258.

It is an arithmetic number, because the mean of its divisors is an integer number (2280608).

Almost surely, 222023425 is an apocalyptic number.

22023425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22023425 is a deficient number, since it is larger than the sum of its proper divisors (5343871).

22023425 is an equidigital number, since it uses as much as digits as its factorization.

22023425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22023425 is about 4692.9122088528. The cubic root of 22023425 is about 280.3033489574.

Adding to 22023425 its reverse (52432022), we get a palindrome (74455447).

The spelling of 22023425 in words is "twenty-two million, twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 911 967 4555 4835 22775 24175 880937 4404685 22023425