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22023625 = 531313553
BaseRepresentation
bin101010000000…
…0110111001001
31112102220201211
41110000313021
521114224000
62104013121
7355124551
oct124006711
945386654
1022023625
1111482748
1274611a1
134741540
142cd4161
151e007ba
hex1500dc9

22023625 has 16 divisors (see below), whose sum is σ = 29601936. Its totient is φ = 16262400.

The previous prime is 22023613. The next prime is 22023629. The reversal of 22023625 is 52632022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8088336 + 13935289 = 2844^2 + 3733^2 .

It is not a de Polignac number, because 22023625 - 25 = 22023593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22023596 and 22023605.

It is not an unprimeable number, because it can be changed into a prime (22023629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5152 + ... + 8401.

It is an arithmetic number, because the mean of its divisors is an integer number (1850121).

Almost surely, 222023625 is an apocalyptic number.

22023625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22023625 is a deficient number, since it is larger than the sum of its proper divisors (7578311).

22023625 is a wasteful number, since it uses less digits than its factorization.

22023625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13581 (or 13571 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 22023625 is about 4692.9335175346. The cubic root of 22023625 is about 280.3041974555.

Adding to 22023625 its reverse (52632022), we get a palindrome (74655647).

The spelling of 22023625 in words is "twenty-two million, twenty-three thousand, six hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 1625 13553 67765 176189 338825 880945 1694125 4404725 22023625