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3422221 = 11311111
BaseRepresentation
bin1101000011100000001101
320102212101221
431003200031
51334002341
6201203341
741042215
oct15034015
96385357
103422221
111a28190
121190551
1392a8aa
14651245
15478ed1
hex34380d

3422221 has 4 divisors (see below), whose sum is σ = 3733344. Its totient is φ = 3111100.

The previous prime is 3422207. The next prime is 3422227. The reversal of 3422221 is 1222243.

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 3422221 - 25 = 3422189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3422195 and 3422204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3422227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155545 + ... + 155566.

It is an arithmetic number, because the mean of its divisors is an integer number (933336).

Almost surely, 23422221 is an apocalyptic number.

It is an amenable number.

3422221 is a deficient number, since it is larger than the sum of its proper divisors (311123).

3422221 is a wasteful number, since it uses less digits than its factorization.

3422221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311122.

The product of its digits is 192, while the sum is 16.

The square root of 3422221 is about 1849.9245930578. The cubic root of 3422221 is about 150.6963328389.

Adding to 3422221 its reverse (1222243), we get a palindrome (4644464).

It can be divided in two parts, 34222 and 21, that added together give a palindrome (34243).

The spelling of 3422221 in words is "three million, four hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 11 311111 3422221