Search a number
-
+
212422022 = 2106211011
BaseRepresentation
bin11001010100101…
…00110110000110
3112210201011020022
430222110312012
5413340001042
633024535142
75156362121
oct1452246606
9483634208
10212422022
11a99a789a
125b1814b2
1335016407
14202d73b8
15139aecd2
hexca94d86

212422022 has 4 divisors (see below), whose sum is σ = 318633036. Its totient is φ = 106211010.

The previous prime is 212421977. The next prime is 212422051. The reversal of 212422022 is 220224212.

212422022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent 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 as a sum of consecutive naturals, namely, 53105504 + ... + 53105507.

It is an arithmetic number, because the mean of its divisors is an integer number (79658259).

Almost surely, 2212422022 is an apocalyptic number.

212422022 is a deficient number, since it is larger than the sum of its proper divisors (106211014).

212422022 is a wasteful number, since it uses less digits than its factorization.

212422022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106211013.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 212422022 is about 14574.7048683670. The cubic root of 212422022 is about 596.6685945376.

Adding to 212422022 its reverse (220224212), we get a palindrome (432646234).

The spelling of 212422022 in words is "two hundred twelve million, four hundred twenty-two thousand, twenty-two".

Divisors: 1 2 106211011 212422022