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1330212222 = 232233213073
BaseRepresentation
bin100111101001001…
…0110110101111110
310102201000210010100
41033102112311332
510211013242342
6335555021530
744651421513
oct11722266576
93381023110
101330212222
11622963149
1231159a8a6
13182785731
14c894730a
157bbabe4c
hex4f496d7e

1330212222 has 24 divisors (see below), whose sum is σ = 3007437264. Its totient is φ = 424125504.

The previous prime is 1330212217. The next prime is 1330212227. The reversal of 1330212222 is 2222120331.

It is an interprime number because it is at equal distance from previous prime (1330212217) and next prime (1330212227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1330212195 and 1330212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330212227) 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 11 ways as a sum of consecutive naturals, for example, 1606123 + ... + 1606950.

It is an arithmetic number, because the mean of its divisors is an integer number (125309886).

Almost surely, 21330212222 is an apocalyptic number.

1330212222 is an abundant number, since it is smaller than the sum of its proper divisors (1677225042).

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

1330212222 is a wasteful number, since it uses less digits than its factorization.

1330212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213104 (or 3213101 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1330212222 is about 36472.0745502638. The cubic root of 1330212222 is about 1099.7829384376.

Adding to 1330212222 its reverse (2222120331), we get a palindrome (3552332553).

The spelling of 1330212222 in words is "one billion, three hundred thirty million, two hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 3213073 6426146 9639219 19278438 28917657 57835314 73900679 147801358 221702037 443404074 665106111 1330212222