Search a number
-
+
22214755 = 531251571
BaseRepresentation
bin101010010111…
…1100001100011
31112210121220201
41110233201203
521141333010
62112050031
7356552023
oct124574143
945717821
1022214755
11115a3302
127533917
1347aa534
142d43a83
151e3c23a
hex152f863

22214755 has 16 divisors (see below), whose sum is σ = 27675648. Its totient is φ = 17100000.

The previous prime is 22214749. The next prime is 22214771. The reversal of 22214755 is 55741222.

It is not a de Polignac number, because 22214755 - 23 = 22214747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38620 + ... + 39190.

It is an arithmetic number, because the mean of its divisors is an integer number (1729728).

Almost surely, 222214755 is an apocalyptic number.

22214755 is a deficient number, since it is larger than the sum of its proper divisors (5460893).

22214755 is a wasteful number, since it uses less digits than its factorization.

22214755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its digits is 5600, while the sum is 28.

The square root of 22214755 is about 4713.2531228441. The cubic root of 22214755 is about 281.1127277437.

Adding to 22214755 its reverse (55741222), we get a palindrome (77955977).

The spelling of 22214755 in words is "twenty-two million, two hundred fourteen thousand, seven hundred fifty-five".

Divisors: 1 5 31 155 251 571 1255 2855 7781 17701 38905 88505 143321 716605 4442951 22214755