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132210222220 = 22529227948659
BaseRepresentation
bin111101100100001010…
…1111110010010001100
3110122020221212011112001
41323020111332102030
54131231304102340
6140423031522044
712360202226626
oct1731025762214
9418227764461
10132210222220
115108525086a
1221758b29324
13c60ca74c2b
146582c47c16
15368bdee29a
hex1ec857e48c

132210222220 has 24 divisors (see below), whose sum is σ = 287215311600. Its totient is φ = 51060499392.

The previous prime is 132210222149. The next prime is 132210222223. The reversal of 132210222220 is 22222012231.

It is not an unprimeable number, because it can be changed into a prime (132210222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113973750 + ... + 113974909.

It is an arithmetic number, because the mean of its divisors is an integer number (11967304650).

Almost surely, 2132210222220 is an apocalyptic number.

132210222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132210222220 is an abundant number, since it is smaller than the sum of its proper divisors (155005089380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132210222220 is a wasteful number, since it uses less digits than its factorization.

132210222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227948697 (or 227948695 counting only the distinct ones).

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

Adding to 132210222220 its reverse (22222012231), we get a palindrome (154432234451).

The spelling of 132210222220 in words is "one hundred thirty-two billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 227948659 455897318 911794636 1139743295 2279486590 4558973180 6610511111 13221022222 26442044444 33052555555 66105111110 132210222220