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3222143021 = 17956331973
BaseRepresentation
bin1100000000001110…
…0000000000101101
322022120000211021102
43000003200000231
523044332034041
61251421412445
7142563522656
oct30003400055
98276024242
103222143021
1114038a7819
1275b10a125
133c4722506
14227d1052d
1513cd2409b
hexc00e002d

3222143021 has 8 divisors (see below), whose sum is σ = 3246000480. Its totient is φ = 3198350992.

The previous prime is 3222143009. The next prime is 3222143077. The reversal of 3222143021 is 1203412223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3222143021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3222142984 and 3222143002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222143621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84791 + ... + 116763.

It is an arithmetic number, because the mean of its divisors is an integer number (405750060).

Almost surely, 23222143021 is an apocalyptic number.

It is an amenable number.

3222143021 is a deficient number, since it is larger than the sum of its proper divisors (23857459).

3222143021 is a wasteful number, since it uses less digits than its factorization.

3222143021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32715.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3222143021 is about 56763.9235870813. The cubic root of 3222143021 is about 1477.0037722681.

Adding to 3222143021 its reverse (1203412223), we get a palindrome (4425555244).

The spelling of 3222143021 in words is "three billion, two hundred twenty-two million, one hundred forty-three thousand, twenty-one".

Divisors: 1 179 563 31973 100777 5723167 18000799 3222143021