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222313331 = 2370913633
BaseRepresentation
bin11010100000000…
…11101101110011
3120111022200120002
431100003231303
5423403011311
634020540215
75336426552
oct1520035563
9514280502
10222313331
11104543329
126255166b
133709a666
142174dd99
15147b593b
hexd403b73

222313331 has 8 divisors (see below), whose sum is σ = 232323360. Its totient is φ = 212332032.

The previous prime is 222313291. The next prime is 222313339. The reversal of 222313331 is 133313222.

222313331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222313331 is a prime.

It is a super-2 number, since 2×2223133312 = 98846434280631122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222313339) 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, 9491 + ... + 23123.

It is an arithmetic number, because the mean of its divisors is an integer number (29040420).

Almost surely, 2222313331 is an apocalyptic number.

222313331 is a deficient number, since it is larger than the sum of its proper divisors (10010029).

222313331 is a wasteful number, since it uses less digits than its factorization.

222313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14365.

The product of its digits is 648, while the sum is 20.

The square root of 222313331 is about 14910.1754181498. The cubic root of 222313331 is about 605.7896307854.

Adding to 222313331 its reverse (133313222), we get a palindrome (355626553).

The spelling of 222313331 in words is "two hundred twenty-two million, three hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 23 709 13633 16307 313559 9665797 222313331