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32222012212 = 22131372145161
BaseRepresentation
bin11110000000100101…
…001110001100110100
310002011121101211002201
4132000211032030310
51011442313342322
622445205314244
72220330404365
oct360045161464
9102147354081
1032222012212
1112735538765
1262b3105984
133066832a20
1417b95b5b6c
15c88c42d27
hex78094e334

32222012212 has 24 divisors (see below), whose sum is σ = 60731870472. Its totient is φ = 14870284800.

The previous prime is 32222012191. The next prime is 32222012213. The reversal of 32222012212 is 21221022223.

It can be written as a sum of positive squares in 4 ways, for example, as 905047056 + 31316965156 = 30084^2 + 176966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32222012212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32222012213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690912 + ... + 736072.

It is an arithmetic number, because the mean of its divisors is an integer number (2530494603).

Almost surely, 232222012212 is an apocalyptic number.

It is an amenable number.

32222012212 is a deficient number, since it is larger than the sum of its proper divisors (28509858260).

32222012212 is a wasteful number, since it uses less digits than its factorization.

32222012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58899 (or 58897 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 32222012212 its reverse (21221022223), we get a palindrome (53443034435).

The spelling of 32222012212 in words is "thirty-two billion, two hundred twenty-two million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 13721 27442 45161 54884 90322 178373 180644 356746 587093 713492 1174186 2348372 619654081 1239308162 2478616324 8055503053 16111006106 32222012212