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1234222213 = 7213782507
BaseRepresentation
bin100100110010000…
…1011110010000101
310012000101222120211
41021210023302011
510011430102323
6322245355421
742404500330
oct11144136205
93160358524
101234222213
11583760464
122a5408b71
13168917203
14b9cbb617
157354a70d
hex4990bc85

1234222213 has 8 divisors (see below), whose sum is σ = 1411216832. Its totient is φ = 1057396896.

The previous prime is 1234222153. The next prime is 1234222229. The reversal of 1234222213 is 3122224321.

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 1234222213 - 221 = 1232125061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26295 + ... + 56212.

It is an arithmetic number, because the mean of its divisors is an integer number (176402104).

Almost surely, 21234222213 is an apocalyptic number.

It is an amenable number.

1234222213 is a deficient number, since it is larger than the sum of its proper divisors (176994619).

1234222213 is an equidigital number, since it uses as much as digits as its factorization.

1234222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84651.

The product of its digits is 1152, while the sum is 22.

The square root of 1234222213 is about 35131.4988720948. The cubic root of 1234222213 is about 1072.6658460520.

Adding to 1234222213 its reverse (3122224321), we get a palindrome (4356446534).

The spelling of 1234222213 in words is "one billion, two hundred thirty-four million, two hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 7 2137 14959 82507 577549 176317459 1234222213