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1222104104 = 231353221717
BaseRepresentation
bin100100011010111…
…1101010000101000
310011011121022122222
41020311331100220
510000324312404
6321133533212
742166466504
oct11065752050
93134538588
101222104104
115779339a1
122a1344208
13166263530
14b8445304
1572454dbe
hex48d7d428

1222104104 has 32 divisors (see below), whose sum is σ = 2514282120. Its totient is φ = 553403136.

The previous prime is 1222104101. The next prime is 1222104113. The reversal of 1222104104 is 4014012221.

It can be written as a sum of positive squares in 4 ways, for example, as 1030281604 + 191822500 = 32098^2 + 13850^2 .

It is not an unprimeable number, because it can be changed into a prime (1222104101) 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, 105347 + ... + 116370.

Almost surely, 21222104104 is an apocalyptic number.

It is an amenable number.

1222104104 is an abundant number, since it is smaller than the sum of its proper divisors (1292178016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222104104 is a wasteful number, since it uses less digits than its factorization.

1222104104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221789 (or 221785 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1222104104 is about 34958.6055785982. The cubic root of 1222104104 is about 1069.1436663206.

Adding to 1222104104 its reverse (4014012221), we get a palindrome (5236116325).

The spelling of 1222104104 in words is "one billion, two hundred twenty-two million, one hundred four thousand, one hundred four".

Divisors: 1 2 4 8 13 26 52 53 104 106 212 424 689 1378 2756 5512 221717 443434 886868 1773736 2882321 5764642 11529284 11751001 23058568 23502002 47004004 94008008 152763013 305526026 611052052 1222104104