Search a number
-
+
22245005 = 56766403
BaseRepresentation
bin101010011011…
…0111010001101
31112212011102002
41110312322031
521143320010
62112442045
7360036146
oct124667215
945764362
1022245005
1111614002
127549325
1347bb233
142d50acd
151e461a5
hex1536e8d

22245005 has 8 divisors (see below), whose sum is σ = 27092832. Its totient is φ = 17530128.

The previous prime is 22244941. The next prime is 22245017. The reversal of 22245005 is 50054222.

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 22245005 - 26 = 22244941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32867 + ... + 33536.

It is an arithmetic number, because the mean of its divisors is an integer number (3386604).

Almost surely, 222245005 is an apocalyptic number.

It is an amenable number.

22245005 is a deficient number, since it is larger than the sum of its proper divisors (4847827).

22245005 is an equidigital number, since it uses as much as digits as its factorization.

22245005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66475.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 22245005 is about 4716.4610673682. The cubic root of 22245005 is about 281.2402676468.

Adding to 22245005 its reverse (50054222), we get a palindrome (72299227).

The spelling of 22245005 in words is "twenty-two million, two hundred forty-five thousand, five".

Divisors: 1 5 67 335 66403 332015 4449001 22245005