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122214423 = 361366457
BaseRepresentation
bin1110100100011…
…01100000010111
322111222010200010
413102031200113
5222241330143
620043251303
73012543162
oct722154027
9274863603
10122214423
1162a94561
1234b19b33
131c420b36
1412334ad9
15aae1a33
hex748d817

122214423 has 8 divisors (see below), whose sum is σ = 163220848. Its totient is φ = 81342144.

The previous prime is 122214401. The next prime is 122214427. The reversal of 122214423 is 324412221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122214423 - 212 = 122210327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122214423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122214427) 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 7 ways as a sum of consecutive naturals, for example, 31390 + ... + 35067.

It is an arithmetic number, because the mean of its divisors is an integer number (20402606).

Almost surely, 2122214423 is an apocalyptic number.

122214423 is a deficient number, since it is larger than the sum of its proper divisors (41006425).

122214423 is an equidigital number, since it uses as much as digits as its factorization.

122214423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67073.

The product of its digits is 768, while the sum is 21.

The square root of 122214423 is about 11055.0632291272. The cubic root of 122214423 is about 496.2579614946.

Adding to 122214423 its reverse (324412221), we get a palindrome (446626644).

The spelling of 122214423 in words is "one hundred twenty-two million, two hundred fourteen thousand, four hundred twenty-three".

Divisors: 1 3 613 1839 66457 199371 40738141 122214423