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222422413 = 277802969
BaseRepresentation
bin11010100000111…
…10010110001101
3120111112020012011
431100132112031
5423420004123
634023141221
75340362563
oct1520362615
9514466164
10222422413
11104608284
12625a4811
13371081c5
142177ba33
15147d7e0d
hexd41e58d

222422413 has 4 divisors (see below), whose sum is σ = 223225660. Its totient is φ = 221619168.

The previous prime is 222422383. The next prime is 222422491. The reversal of 222422413 is 314224222.

222422413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78110244 + 144312169 = 8838^2 + 12013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222422413 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 (222122413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401208 + ... + 401761.

It is an arithmetic number, because the mean of its divisors is an integer number (55806415).

Almost surely, 2222422413 is an apocalyptic number.

It is an amenable number.

222422413 is a deficient number, since it is larger than the sum of its proper divisors (803247).

222422413 is an equidigital number, since it uses as much as digits as its factorization.

222422413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803246.

The product of its digits is 1536, while the sum is 22.

The square root of 222422413 is about 14913.8329412663. The cubic root of 222422413 is about 605.8886950794. Note that the first 3 decimals are identical.

Adding to 222422413 its reverse (314224222), we get a palindrome (536646635).

The spelling of 222422413 in words is "two hundred twenty-two million, four hundred twenty-two thousand, four hundred thirteen".

Divisors: 1 277 802969 222422413