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3222121 = 72931571
BaseRepresentation
bin1100010010101001101001
320001200220211
430102221221
51311101441
6153021121
736246640
oct14225151
96050824
103222121
111900911
1210b47a1
1388a7a6
145dc357
15439a81
hex312a69

3222121 has 8 divisors (see below), whose sum is σ = 3697344. Its totient is φ = 2750640.

The previous prime is 3222113. The next prime is 3222137. The reversal of 3222121 is 1212223.

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 3222121 - 23 = 3222113 is a prime.

3222121 is a modest number, since divided by 2121 gives 322 as remainder.

It is not an unprimeable number, because it can be changed into a prime (3222101) 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, 1266 + ... + 2836.

It is an arithmetic number, because the mean of its divisors is an integer number (462168).

Almost surely, 23222121 is an apocalyptic number.

It is an amenable number.

3222121 is a deficient number, since it is larger than the sum of its proper divisors (475223).

3222121 is a wasteful number, since it uses less digits than its factorization.

3222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its digits is 48, while the sum is 13.

The square root of 3222121 is about 1795.0267407479. The cubic root of 3222121 is about 147.7000407512.

Adding to 3222121 its reverse (1212223), we get a palindrome (4434344).

The spelling of 3222121 in words is "three million, two hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 7 293 1571 2051 10997 460303 3222121