Search a number
-
+
222050405 = 564369067
BaseRepresentation
bin11010011110000…
…11100001100101
3120110211022220002
431033003201211
5423321103110
634011151045
75334253163
oct1517034145
9513738802
10222050405
11104383835
1262445485
1337007a95
14216c2233
1514762aa5
hexd3c3865

222050405 has 8 divisors (see below), whose sum is σ = 266878752. Its totient is φ = 177361488.

The previous prime is 222050399. The next prime is 222050407. The reversal of 222050405 is 504050222.

222050405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222050405 - 26 = 222050341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222050407) 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, 31319 + ... + 37748.

It is an arithmetic number, because the mean of its divisors is an integer number (33359844).

Almost surely, 2222050405 is an apocalyptic number.

It is an amenable number.

222050405 is a deficient number, since it is larger than the sum of its proper divisors (44828347).

222050405 is an equidigital number, since it uses as much as digits as its factorization.

222050405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69715.

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

The square root of 222050405 is about 14901.3558107979. The cubic root of 222050405 is about 605.5507177211.

It can be divided in two parts, 2220 and 50405, that added together give a palindrome (52625).

The spelling of 222050405 in words is "two hundred twenty-two million, fifty thousand, four hundred five".

Divisors: 1 5 643 3215 69067 345335 44410081 222050405