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8222434 = 211261557
BaseRepresentation
bin11111010111011011100010
3120110202001121
4133113123202
54101104214
6452122454
7126614053
oct37273342
916422047
108222434
114706700
12290642a
13191b75c
14114072a
15ac6424
hex7d76e2

8222434 has 24 divisors (see below), whose sum is σ = 13803804. Its totient is φ = 3669600.

The previous prime is 8222419. The next prime is 8222437. The reversal of 8222434 is 4342228.

It can be written as a sum of positive squares in 2 ways, for example, as 6017209 + 2205225 = 2453^2 + 1485^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8222399 and 8222408.

It is not an unprimeable number, because it can be changed into a prime (8222437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14484 + ... + 15040.

Almost surely, 28222434 is an apocalyptic number.

8222434 is a deficient number, since it is larger than the sum of its proper divisors (5581370).

8222434 is a wasteful number, since it uses less digits than its factorization.

8222434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 631 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 8222434 is about 2867.4786834430. The cubic root of 8222434 is about 201.8366977402.

The spelling of 8222434 in words is "eight million, two hundred twenty-two thousand, four hundred thirty-four".

Divisors: 1 2 11 22 61 121 122 242 557 671 1114 1342 6127 7381 12254 14762 33977 67397 67954 134794 373747 747494 4111217 8222434