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1223222241 = 3863472469
BaseRepresentation
bin100100011101000…
…1110001111100001
310011020201010110110
41020322032033201
510001121102431
6321213521533
742212134413
oct11072161741
93136633413
101223222241
11578527a7a
122a17a32a9
13166565457
14b86569b3
15725c6346
hex48e8e3e1

1223222241 has 8 divisors (see below), whose sum is σ = 1632856320. Its totient is φ = 814534832.

The previous prime is 1223222219. The next prime is 1223222243. The reversal of 1223222241 is 1422223221.

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 1223222241 - 217 = 1223091169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223222243) 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, 233646 + ... + 238823.

It is an arithmetic number, because the mean of its divisors is an integer number (204107040).

Almost surely, 21223222241 is an apocalyptic number.

It is an amenable number.

1223222241 is a deficient number, since it is larger than the sum of its proper divisors (409634079).

1223222241 is an equidigital number, since it uses as much as digits as its factorization.

1223222241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473335.

The product of its digits is 768, while the sum is 21.

The square root of 1223222241 is about 34974.5942220921. The cubic root of 1223222241 is about 1069.4696300116.

Adding to 1223222241 its reverse (1422223221), we get a palindrome (2645445462).

The spelling of 1223222241 in words is "one billion, two hundred twenty-three million, two hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 3 863 2589 472469 1417407 407740747 1223222241