Search a number
-
+
22240089 = 35194817
BaseRepresentation
bin101010011010…
…1101101011001
31112211220200000
41110311231121
521143140324
62112403213
7360015624
oct124655531
945756600
1022240089
1111610343
127546509
1347b8c21
142d4cdbb
151e449c9
hex1535b59

22240089 has 24 divisors (see below), whose sum is σ = 35075040. Its totient is φ = 14043456.

The previous prime is 22240087. The next prime is 22240093. The reversal of 22240089 is 98004222.

It is not a de Polignac number, because 22240089 - 21 = 22240087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22240087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2209 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (1461460).

Almost surely, 222240089 is an apocalyptic number.

It is an amenable number.

22240089 is a deficient number, since it is larger than the sum of its proper divisors (12834951).

22240089 is an equidigital number, since it uses as much as digits as its factorization.

22240089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851 (or 4839 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22240089 is about 4715.9398851130. The cubic root of 22240089 is about 281.2195487031.

The spelling of 22240089 in words is "twenty-two million, two hundred forty thousand, eighty-nine".

Divisors: 1 3 9 19 27 57 81 171 243 513 1539 4617 4817 14451 43353 91523 130059 274569 390177 823707 1170531 2471121 7413363 22240089