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120222233 = 864113913
BaseRepresentation
bin1110010101001…
…11001000011001
322101012220220022
413022213020121
5221234102413
615532440225
72656605065
oct712471031
9271186808
10120222233
116195381a
1234319075
131bba4121
1411d76aa5
15a84b608
hex72a7219

120222233 has 4 divisors (see below), whose sum is σ = 120244788. Its totient is φ = 120199680.

The previous prime is 120222229. The next prime is 120222239. The reversal of 120222233 is 332222021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332222021 = 1109299569.

It can be written as a sum of positive squares in 2 ways, for example, as 32855824 + 87366409 = 5732^2 + 9347^2 .

It is a cyclic number.

It is not a de Polignac number, because 120222233 - 22 = 120222229 is a prime.

It is a super-3 number, since 3×1202222333 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120222239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685 + ... + 15597.

It is an arithmetic number, because the mean of its divisors is an integer number (30061197).

Almost surely, 2120222233 is an apocalyptic number.

It is an amenable number.

120222233 is a deficient number, since it is larger than the sum of its proper divisors (22555).

120222233 is an equidigital number, since it uses as much as digits as its factorization.

120222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22554.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 120222233 is about 10964.5899604135. The cubic root of 120222233 is about 493.5467124895.

Adding to 120222233 its reverse (332222021), we get a palindrome (452444254).

The spelling of 120222233 in words is "one hundred twenty million, two hundred twenty-two thousand, two hundred thirty-three".

Divisors: 1 8641 13913 120222233