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3213302221 = 223112912763
BaseRepresentation
bin1011111110000111…
…0001100111001101
322021221101122222101
42333201301213031
523040101132341
61250504115101
7142425422023
oct27741614715
98257348871
103213302221
1113a9909578
12758165a91
133c294847c
14226a8c713
1513c179831
hexbf8719cd

3213302221 has 8 divisors (see below), whose sum is σ = 3230823680. Its totient is φ = 3195808992.

The previous prime is 3213302207. The next prime is 3213302269. The reversal of 3213302221 is 1222033123.

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

It is a cyclic number.

It is not a de Polignac number, because 3213302221 - 215 = 3213269453 is a prime.

It is a super-2 number, since 2×32133022212 = 20650622326967065682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213402221) 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, 245386 + ... + 258148.

It is an arithmetic number, because the mean of its divisors is an integer number (403852960).

Almost surely, 23213302221 is an apocalyptic number.

It is an amenable number.

3213302221 is a deficient number, since it is larger than the sum of its proper divisors (17521459).

3213302221 is a wasteful number, since it uses less digits than its factorization.

3213302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14115.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3213302221 is about 56685.9966923049. The cubic root of 3213302221 is about 1475.6516849879.

Adding to 3213302221 its reverse (1222033123), we get a palindrome (4435335344).

The spelling of 3213302221 in words is "three billion, two hundred thirteen million, three hundred two thousand, two hundred twenty-one".

Divisors: 1 223 1129 12763 251767 2846149 14409427 3213302221