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3222303221 = 4768559643
BaseRepresentation
bin1100000000010000…
…0111000111110101
322022120022222000202
43000010013013311
523044402200341
61251425050245
7142565061014
oct30004070765
98276288022
103222303221
1114039a7115
1275b186985
133c477a3c7
14227d52a7b
1513cd5679b
hexc01071f5

3222303221 has 4 divisors (see below), whose sum is σ = 3290862912. Its totient is φ = 3153743532.

The previous prime is 3222303211. The next prime is 3222303239. The reversal of 3222303221 is 1223032223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3222303221 - 210 = 3222302197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3222303193 and 3222303202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222303211) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 34279775 + ... + 34279868.

It is an arithmetic number, because the mean of its divisors is an integer number (822715728).

Almost surely, 23222303221 is an apocalyptic number.

It is an amenable number.

3222303221 is a deficient number, since it is larger than the sum of its proper divisors (68559691).

3222303221 is an equidigital number, since it uses as much as digits as its factorization.

3222303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68559690.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3222303221 is about 56765.3346770721. The cubic root of 3222303221 is about 1477.0282499818.

Adding to 3222303221 its reverse (1223032223), we get a palindrome (4445335444).

The spelling of 3222303221 in words is "three billion, two hundred twenty-two million, three hundred three thousand, two hundred twenty-one".

Divisors: 1 47 68559643 3222303221