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222568061 = 376015353
BaseRepresentation
bin11010100010000…
…01111001111101
3120111210121222112
431101001321331
5423434134221
634030223405
75341540322
oct1521017175
9514717875
10222568061
111046a7751
1262654b65
13371595a1
14217b8b49
151481615b
hexd441e7d

222568061 has 4 divisors (see below), whose sum is σ = 228583452. Its totient is φ = 216552672.

The previous prime is 222568013. The next prime is 222568091. The reversal of 222568061 is 160865222.

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 178756900 + 43811161 = 13370^2 + 6619^2 .

It is a cyclic number.

It is not a de Polignac number, because 222568061 - 214 = 222551677 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 (222568091) 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, 3007640 + ... + 3007713.

It is an arithmetic number, because the mean of its divisors is an integer number (57145863).

Almost surely, 2222568061 is an apocalyptic number.

It is an amenable number.

222568061 is a deficient number, since it is larger than the sum of its proper divisors (6015391).

222568061 is an equidigital number, since it uses as much as digits as its factorization.

222568061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015390.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 222568061 is about 14918.7151256400. The cubic root of 222568061 is about 606.0209167988.

The spelling of 222568061 in words is "two hundred twenty-two million, five hundred sixty-eight thousand, sixty-one".

Divisors: 1 37 6015353 222568061