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3222031213 = 4861662833
BaseRepresentation
bin1100000000001100…
…0100101101101101
322022112211010220101
43000003010231231
523044314444323
61251415151101
7142562546002
oct30003045555
98275733811
103222031213
111403830815
1275b075491
133c46b365b
14227cc18a9
1513cd00dad
hexc00c4b6d

3222031213 has 4 divisors (see below), whose sum is σ = 3222698908. Its totient is φ = 3221363520.

The previous prime is 3222031193. The next prime is 3222031231. The reversal of 3222031213 is 3121302223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3121302223 = 13240100171.

It can be written as a sum of positive squares in 2 ways, for example, as 1486642249 + 1735388964 = 38557^2 + 41658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3222031213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222031313) 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, 326556 + ... + 336277.

It is an arithmetic number, because the mean of its divisors is an integer number (805674727).

Almost surely, 23222031213 is an apocalyptic number.

It is an amenable number.

3222031213 is a deficient number, since it is larger than the sum of its proper divisors (667695).

3222031213 is an equidigital number, since it uses as much as digits as its factorization.

3222031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667694.

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

The square root of 3222031213 is about 56762.9387276593. The cubic root of 3222031213 is about 1476.9866881157.

Adding to 3222031213 its reverse (3121302223), we get a palindrome (6343333436).

The spelling of 3222031213 in words is "three billion, two hundred twenty-two million, thirty-one thousand, two hundred thirteen".

Divisors: 1 4861 662833 3222031213