Search a number
-
+
212022022 = 2137773803
BaseRepresentation
bin11001010001100…
…11001100000110
3112202221211112111
430220303030012
5413234201042
633012211234
75153105002
oct1450631406
9482854474
10212022022
11a9754313
125b009b1a
1334c06324
1420231702
1513931517
hexca33306

212022022 has 8 divisors (see below), whose sum is σ = 320354856. Its totient is φ = 105237072.

The previous prime is 212021993. The next prime is 212022023. The reversal of 212022022 is 220220212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212021993 and 212022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386628 + ... + 387175.

It is an arithmetic number, because the mean of its divisors is an integer number (40044357).

Almost surely, 2212022022 is an apocalyptic number.

212022022 is a deficient number, since it is larger than the sum of its proper divisors (108332834).

212022022 is a wasteful number, since it uses less digits than its factorization.

212022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773942.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 212022022 is about 14560.9759975079. The cubic root of 212022022 is about 596.2938414877.

Adding to 212022022 its reverse (220220212), we get a palindrome (432242234).

It can be divided in two parts, 2120 and 22022, that added together give a palindrome (24142).

The spelling of 212022022 in words is "two hundred twelve million, twenty-two thousand, twenty-two".

Divisors: 1 2 137 274 773803 1547606 106011011 212022022