Search a number
-
+
22214179 = 131708783
BaseRepresentation
bin101010010111…
…1011000100011
31112210121010101
41110233120203
521141323204
62112043231
7356550241
oct124573043
945717111
1022214179
11115a2929
127533517
1347aa1b0
142d43791
151e3bea4
hex152f623

22214179 has 4 divisors (see below), whose sum is σ = 23922976. Its totient is φ = 20505384.

The previous prime is 22214177. The next prime is 22214183. The reversal of 22214179 is 97141222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97141222 = 248570611.

It is a cyclic number.

It is not a de Polignac number, because 22214179 - 21 = 22214177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22214177) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 854379 + ... + 854404.

It is an arithmetic number, because the mean of its divisors is an integer number (5980744).

Almost surely, 222214179 is an apocalyptic number.

22214179 is a deficient number, since it is larger than the sum of its proper divisors (1708797).

22214179 is a wasteful number, since it uses less digits than its factorization.

22214179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708796.

The product of its digits is 2016, while the sum is 28.

The square root of 22214179 is about 4713.1920181550. The cubic root of 22214179 is about 281.1102980923.

It can be divided in two parts, 2221 and 4179, that added together give a square (6400 = 802).

The spelling of 22214179 in words is "twenty-two million, two hundred fourteen thousand, one hundred seventy-nine".

Divisors: 1 13 1708783 22214179