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2222332121 = 85711032351
BaseRepresentation
bin1000010001110110…
…0001100011011001
312201212201011120002
42010131201203121
514022404111441
61004304142345
7106033340252
oct20435414331
95655634502
102222332121
11a404a3019
125203079b5
13295550429
14171211b29
15d017db9b
hex847618d9

2222332121 has 8 divisors (see below), whose sum is σ = 2227889664. Its totient is φ = 2216783200.

The previous prime is 2222332087. The next prime is 2222332127. The reversal of 2222332121 is 1212332222.

It is a happy number.

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-2222332121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222332093 and 2222332102.

It is not an unprimeable number, because it can be changed into a prime (2222332127) 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, 944096 + ... + 946446.

It is an arithmetic number, because the mean of its divisors is an integer number (278486208).

Almost surely, 22222332121 is an apocalyptic number.

It is an amenable number.

2222332121 is a deficient number, since it is larger than the sum of its proper divisors (5557543).

2222332121 is a wasteful number, since it uses less digits than its factorization.

2222332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311.

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

The square root of 2222332121 is about 47141.6177172570. The cubic root of 2222332121 is about 1304.9773919935.

Adding to 2222332121 its reverse (1212332222), we get a palindrome (3434664343).

The spelling of 2222332121 in words is "two billion, two hundred twenty-two million, three hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 857 1103 2351 945271 2014807 2593153 2222332121